EST to CST to AST to CET to EET to MSK to GST to IST to MST to PKT to BST to GMT to ICT to CST Asia to JST to AEST to NZST to HST to AKST to BRT
Time Difference
Eastern Daylight Time is 1 hour ahead of Central Daylight Time and 1 hours behind Atlantic Daylight Time and 6 hours behind Central European Summer Time and 7 hours behind Eastern European Summer Time and 7 hours behind Moscow Standard Time and 8 hours behind Gulf Standard Time and 9 hours and 30 minutes behind India Standard Time and 2 hours ahead of Mountain Daylight Time and 9 hours behind Pakistan Standard Time and 5 hours behind British Summer Time and 4 hours behind Greenwich Mean Time and 11 hours behind Indochina Time and 12 hours behind China Standard Time and 13 hours behind Japan Standard Time and 14 hours behind Australian Eastern Standard Time and 16 hours behind New Zealand Standard Time and 6 hours ahead of Hawaii Standard Time and 4 hours ahead of Alaska Daylight Time and 1 hours behind BrasÃlia time
11:00 am11:00 in EDT is 10:00 am10:00 in CDT and is 12:00 pm12:00 in ADT and is 5:00 pm17:00 in CEST and is 6:00 pm18:00 in EEST and is 6:00 pm18:00 in MSK and is 7:00 pm19:00 in GST and is 8:30 pm20:30 in IST and is 9:00 am09:00 in MDT and is 8:00 pm20:00 in PKT and is 4:00 pm16:00 in BST and is 3:00 pm15:00 in GMT and is 10:00 pm22:00 in ICT and is 11:00 pm23:00 in CST and is 12:00 am00:00 in JST and is 1:00 am01:00 in AEST and is 3:00 am03:00 in NZST and is 5:00 am05:00 in HST and is 7:00 am07:00 in AKDT and is 12:00 pm12:00 in BRT
EST to CST call time
Best time for a conference call or a meeting is between 9am-6pm in EST which corresponds to 8am-5pm in CST
EST to AST call time
Best time for a conference call or a meeting is between 8am-5pm in EST which corresponds to 9am-6pm in AST
EST to CET call time
Best time for a conference call or a meeting is between 8am-12pm in EST which corresponds to 2pm-6pm in CET
EST to EET call time
Best time for a conference call or a meeting is between 8am-11am in EST which corresponds to 3pm-6pm in EET
EST to MSK call time
Best time for a conference call or a meeting is between 8am-10am in EST which corresponds to 4pm-6pm in MSK
EST to GST call time
Best time for a conference call or a meeting is between 8am-10am in EST which corresponds to 5pm-7pm in GST
EST to IST call time
Best time for a conference call or a meeting is between 7:30am-9:30am in EST which corresponds to 6pm-8pm in IST
EST to MST call time
Best time for a conference call or a meeting is between 10am-6pm in EST which corresponds to 8am-4pm in MST
EST to PKT call time
Best time for a conference call or a meeting is between 8am-10am in EST which corresponds to 6pm-8pm in PKT
EST to BST call time
Best time for a conference call or a meeting is between 8am-12pm in EST which corresponds to 2pm-6pm in BST
EST to GMT call time
Best time for a conference call or a meeting is between 8am-1pm in EST which corresponds to 1pm-6pm in GMT
EST to ICT call time
Best time for a conference call or a meeting is between 7am-9am in EST which corresponds to 7pm-9pm in ICT
EST to CST call time
Best time for a conference call or a meeting is between 6:30am-8:30am in EST which corresponds to 7:30pm-9:30pm in CST
EST to JST call time
Best time for a conference call or a meeting is between 6am-8am in EST which corresponds to 8pm-10pm in JST
EST to AEST call time
Best time for a conference call or a meeting is between 5:30am-7:30am in EST which corresponds to 8:30pm-10:30pm in AEST
EST to NZST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in EST which corresponds to 9:30pm-11:30pm in NZST
EST to HST call time
Best time for a conference call or a meeting is between 1pm-6pm in EST which corresponds to 8am-1pm in HST
EST to AKST call time
Best time for a conference call or a meeting is between 12pm-6pm in EST which corresponds to 8am-2pm in AKST
EST to BRT call time
Best time for a conference call or a meeting is between 8am-4pm in EST which corresponds to 10am-6pm in BRT
11:00 am11:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:00 am10:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
12:00 pm12:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
5:00 pm17:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
6:00 pm18:00 Eastern European Summer Time (EEST). Offset UTC +3:00 hours
6:00 pm18:00 Moscow Standard Time (MSK). Offset UTC +3:00 hours
7:00 pm19:00 Gulf Standard Time (GST). Offset UTC +4:00 hours
8:30 pm20:30 India Standard Time (IST). Offset UTC +5:30 hours
9:00 am09:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
8:00 pm20:00 Pakistan Standard Time (PKT). Offset UTC +5:00 hours
4:00 pm16:00 British Summer Time (BST). Offset UTC +1:00 hour
3:00 pm15:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
10:00 pm22:00 Indochina Time (ICT). Offset UTC +7:00 hours
11:00 pm23:00 China Standard Time (CST). Offset UTC +8:00 hours
12:00 am00:00 Japan Standard Time (JST). Offset UTC +9:00 hours
1:00 am01:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
3:00 am03:00 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
5:00 am05:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
7:00 am07:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
12:00 pm12:00 BrasÃlia time (BRT). Offset UTC -3:00 hours
11:00 am11:00 EDT / 10:00 am10:00 CDT / 12:00 pm12:00 ADT / 5:00 pm17:00 CEST / 6:00 pm18:00 EEST / 6:00 pm18:00 MSK / 7:00 pm19:00 GST / 8:30 pm20:30 IST / 9:00 am09:00 MDT / 8:00 pm20:00 PKT / 4:00 pm16:00 BST / 3:00 pm15:00 GMT / 10:00 pm22:00 ICT / 11:00 pm23:00 CST / 12:00 am00:00 JST / 1:00 am01:00 AEST / 3:00 am03:00 NZST / 5:00 am05:00 HST / 7:00 am07:00 AKDT / 12:00 pm12:00 BRT
EDT | CDT | ADT | CEST | EEST | MSK | GST | IST | MDT | PKT | BST | GMT | ICT | CST | JST | AEST | NZST | HST | AKDT | BRT |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
12am (midnight) | 11pm | 1am | 6am | 7am | 7am | 8am | 9:30 am | 10pm | 9am | 5am | 4am | 11am | 12pm (noon) | 1pm | 2pm | 4pm | 6pm | 8pm | 1am |
1am | 12am (midnight) | 2am | 7am | 8am | 8am | 9am | 10:30 am | 11pm | 10am | 6am | 5am | 12pm (noon) | 1pm | 2pm | 3pm | 5pm | 7pm | 9pm | 2am |
2am | 1am | 3am | 8am | 9am | 9am | 10am | 11:30 am | 12am (midnight) | 11am | 7am | 6am | 1pm | 2pm | 3pm | 4pm | 6pm | 8pm | 10pm | 3am |
3am | 2am | 4am | 9am | 10am | 10am | 11am | 12:30 pm | 1am | 12pm (noon) | 8am | 7am | 2pm | 3pm | 4pm | 5pm | 7pm | 9pm | 11pm | 4am |
4am | 3am | 5am | 10am | 11am | 11am | 12pm (noon) | 1:30 pm | 2am | 1pm | 9am | 8am | 3pm | 4pm | 5pm | 6pm | 8pm | 10pm | 12am (midnight) | 5am |
5am | 4am | 6am | 11am | 12pm (noon) | 12pm (noon) | 1pm | 2:30 pm | 3am | 2pm | 10am | 9am | 4pm | 5pm | 6pm | 7pm | 9pm | 11pm | 1am | 6am |
6am | 5am | 7am | 12pm (noon) | 1pm | 1pm | 2pm | 3:30 pm | 4am | 3pm | 11am | 10am | 5pm | 6pm | 7pm | 8pm | 10pm | 12am (midnight) | 2am | 7am |
7am | 6am | 8am | 1pm | 2pm | 2pm | 3pm | 4:30 pm | 5am | 4pm | 12pm (noon) | 11am | 6pm | 7pm | 8pm | 9pm | 11pm | 1am | 3am | 8am |
8am | 7am | 9am | 2pm | 3pm | 3pm | 4pm | 5:30 pm | 6am | 5pm | 1pm | 12pm (noon) | 7pm | 8pm | 9pm | 10pm | 12am (midnight) | 2am | 4am | 9am |
9am | 8am | 10am | 3pm | 4pm | 4pm | 5pm | 6:30 pm | 7am | 6pm | 2pm | 1pm | 8pm | 9pm | 10pm | 11pm | 1am | 3am | 5am | 10am |
10am | 9am | 11am | 4pm | 5pm | 5pm | 6pm | 7:30 pm | 8am | 7pm | 3pm | 2pm | 9pm | 10pm | 11pm | 12am (midnight) | 2am | 4am | 6am | 11am |
11am | 10am | 12pm (noon) | 5pm | 6pm | 6pm | 7pm | 8:30 pm | 9am | 8pm | 4pm | 3pm | 10pm | 11pm | 12am (midnight) | 1am | 3am | 5am | 7am | 12pm (noon) |
12pm (noon) | 11am | 1pm | 6pm | 7pm | 7pm | 8pm | 9:30 pm | 10am | 9pm | 5pm | 4pm | 11pm | 12am (midnight) | 1am | 2am | 4am | 6am | 8am | 1pm |
1pm | 12pm (noon) | 2pm | 7pm | 8pm | 8pm | 9pm | 10:30 pm | 11am | 10pm | 6pm | 5pm | 12am (midnight) | 1am | 2am | 3am | 5am | 7am | 9am | 2pm |
2pm | 1pm | 3pm | 8pm | 9pm | 9pm | 10pm | 11:30 pm | 12pm (noon) | 11pm | 7pm | 6pm | 1am | 2am | 3am | 4am | 6am | 8am | 10am | 3pm |
3pm | 2pm | 4pm | 9pm | 10pm | 10pm | 11pm | 12:30 am | 1pm | 12am (midnight) | 8pm | 7pm | 2am | 3am | 4am | 5am | 7am | 9am | 11am | 4pm |
4pm | 3pm | 5pm | 10pm | 11pm | 11pm | 12am (midnight) | 1:30 am | 2pm | 1am | 9pm | 8pm | 3am | 4am | 5am | 6am | 8am | 10am | 12pm (noon) | 5pm |
5pm | 4pm | 6pm | 11pm | 12am (midnight) | 12am (midnight) | 1am | 2:30 am | 3pm | 2am | 10pm | 9pm | 4am | 5am | 6am | 7am | 9am | 11am | 1pm | 6pm |
6pm | 5pm | 7pm | 12am (midnight) | 1am | 1am | 2am | 3:30 am | 4pm | 3am | 11pm | 10pm | 5am | 6am | 7am | 8am | 10am | 12pm (noon) | 2pm | 7pm |
7pm | 6pm | 8pm | 1am | 2am | 2am | 3am | 4:30 am | 5pm | 4am | 12am (midnight) | 11pm | 6am | 7am | 8am | 9am | 11am | 1pm | 3pm | 8pm |
8pm | 7pm | 9pm | 2am | 3am | 3am | 4am | 5:30 am | 6pm | 5am | 1am | 12am (midnight) | 7am | 8am | 9am | 10am | 12pm (noon) | 2pm | 4pm | 9pm |
9pm | 8pm | 10pm | 3am | 4am | 4am | 5am | 6:30 am | 7pm | 6am | 2am | 1am | 8am | 9am | 10am | 11am | 1pm | 3pm | 5pm | 10pm |
10pm | 9pm | 11pm | 4am | 5am | 5am | 6am | 7:30 am | 8pm | 7am | 3am | 2am | 9am | 10am | 11am | 12pm (noon) | 2pm | 4pm | 6pm | 11pm |
11pm | 10pm | 12am (midnight) | 5am | 6am | 6am | 7am | 8:30 am | 9pm | 8am | 4am | 3am | 10am | 11am | 12pm (noon) | 1pm | 3pm | 5pm | 7pm | 12am (midnight) |
0:00 | 23:00 | 1:00 | 6:00 | 7:00 | 7:00 | 8:00 | 9:30 | 22:00 | 9:00 | 5:00 | 4:00 | 11:00 | 12:00 | 13:00 | 14:00 | 16:00 | 18:00 | 20:00 | 1:00 |
1:00 | 0:00 | 2:00 | 7:00 | 8:00 | 8:00 | 9:00 | 10:30 | 23:00 | 10:00 | 6:00 | 5:00 | 12:00 | 13:00 | 14:00 | 15:00 | 17:00 | 19:00 | 21:00 | 2:00 |
2:00 | 1:00 | 3:00 | 8:00 | 9:00 | 9:00 | 10:00 | 11:30 | 0:00 | 11:00 | 7:00 | 6:00 | 13:00 | 14:00 | 15:00 | 16:00 | 18:00 | 20:00 | 22:00 | 3:00 |
3:00 | 2:00 | 4:00 | 9:00 | 10:00 | 10:00 | 11:00 | 12:30 | 1:00 | 12:00 | 8:00 | 7:00 | 14:00 | 15:00 | 16:00 | 17:00 | 19:00 | 21:00 | 23:00 | 4:00 |
4:00 | 3:00 | 5:00 | 10:00 | 11:00 | 11:00 | 12:00 | 13:30 | 2:00 | 13:00 | 9:00 | 8:00 | 15:00 | 16:00 | 17:00 | 18:00 | 20:00 | 22:00 | 0:00 | 5:00 |
5:00 | 4:00 | 6:00 | 11:00 | 12:00 | 12:00 | 13:00 | 14:30 | 3:00 | 14:00 | 10:00 | 9:00 | 16:00 | 17:00 | 18:00 | 19:00 | 21:00 | 23:00 | 1:00 | 6:00 |
6:00 | 5:00 | 7:00 | 12:00 | 13:00 | 13:00 | 14:00 | 15:30 | 4:00 | 15:00 | 11:00 | 10:00 | 17:00 | 18:00 | 19:00 | 20:00 | 22:00 | 0:00 | 2:00 | 7:00 |
7:00 | 6:00 | 8:00 | 13:00 | 14:00 | 14:00 | 15:00 | 16:30 | 5:00 | 16:00 | 12:00 | 11:00 | 18:00 | 19:00 | 20:00 | 21:00 | 23:00 | 1:00 | 3:00 | 8:00 |
8:00 | 7:00 | 9:00 | 14:00 | 15:00 | 15:00 | 16:00 | 17:30 | 6:00 | 17:00 | 13:00 | 12:00 | 19:00 | 20:00 | 21:00 | 22:00 | 0:00 | 2:00 | 4:00 | 9:00 |
9:00 | 8:00 | 10:00 | 15:00 | 16:00 | 16:00 | 17:00 | 18:30 | 7:00 | 18:00 | 14:00 | 13:00 | 20:00 | 21:00 | 22:00 | 23:00 | 1:00 | 3:00 | 5:00 | 10:00 |
10:00 | 9:00 | 11:00 | 16:00 | 17:00 | 17:00 | 18:00 | 19:30 | 8:00 | 19:00 | 15:00 | 14:00 | 21:00 | 22:00 | 23:00 | 0:00 | 2:00 | 4:00 | 6:00 | 11:00 |
11:00 | 10:00 | 12:00 | 17:00 | 18:00 | 18:00 | 19:00 | 20:30 | 9:00 | 20:00 | 16:00 | 15:00 | 22:00 | 23:00 | 0:00 | 1:00 | 3:00 | 5:00 | 7:00 | 12:00 |
12:00 | 11:00 | 13:00 | 18:00 | 19:00 | 19:00 | 20:00 | 21:30 | 10:00 | 21:00 | 17:00 | 16:00 | 23:00 | 0:00 | 1:00 | 2:00 | 4:00 | 6:00 | 8:00 | 13:00 |
13:00 | 12:00 | 14:00 | 19:00 | 20:00 | 20:00 | 21:00 | 22:30 | 11:00 | 22:00 | 18:00 | 17:00 | 0:00 | 1:00 | 2:00 | 3:00 | 5:00 | 7:00 | 9:00 | 14:00 |
14:00 | 13:00 | 15:00 | 20:00 | 21:00 | 21:00 | 22:00 | 23:30 | 12:00 | 23:00 | 19:00 | 18:00 | 1:00 | 2:00 | 3:00 | 4:00 | 6:00 | 8:00 | 10:00 | 15:00 |
15:00 | 14:00 | 16:00 | 21:00 | 22:00 | 22:00 | 23:00 | 0:30 | 13:00 | 0:00 | 20:00 | 19:00 | 2:00 | 3:00 | 4:00 | 5:00 | 7:00 | 9:00 | 11:00 | 16:00 |
16:00 | 15:00 | 17:00 | 22:00 | 23:00 | 23:00 | 0:00 | 1:30 | 14:00 | 1:00 | 21:00 | 20:00 | 3:00 | 4:00 | 5:00 | 6:00 | 8:00 | 10:00 | 12:00 | 17:00 |
17:00 | 16:00 | 18:00 | 23:00 | 0:00 | 0:00 | 1:00 | 2:30 | 15:00 | 2:00 | 22:00 | 21:00 | 4:00 | 5:00 | 6:00 | 7:00 | 9:00 | 11:00 | 13:00 | 18:00 |
18:00 | 17:00 | 19:00 | 0:00 | 1:00 | 1:00 | 2:00 | 3:30 | 16:00 | 3:00 | 23:00 | 22:00 | 5:00 | 6:00 | 7:00 | 8:00 | 10:00 | 12:00 | 14:00 | 19:00 |
19:00 | 18:00 | 20:00 | 1:00 | 2:00 | 2:00 | 3:00 | 4:30 | 17:00 | 4:00 | 0:00 | 23:00 | 6:00 | 7:00 | 8:00 | 9:00 | 11:00 | 13:00 | 15:00 | 20:00 |
20:00 | 19:00 | 21:00 | 2:00 | 3:00 | 3:00 | 4:00 | 5:30 | 18:00 | 5:00 | 1:00 | 0:00 | 7:00 | 8:00 | 9:00 | 10:00 | 12:00 | 14:00 | 16:00 | 21:00 |
21:00 | 20:00 | 22:00 | 3:00 | 4:00 | 4:00 | 5:00 | 6:30 | 19:00 | 6:00 | 2:00 | 1:00 | 8:00 | 9:00 | 10:00 | 11:00 | 13:00 | 15:00 | 17:00 | 22:00 |
22:00 | 21:00 | 23:00 | 4:00 | 5:00 | 5:00 | 6:00 | 7:30 | 20:00 | 7:00 | 3:00 | 2:00 | 9:00 | 10:00 | 11:00 | 12:00 | 14:00 | 16:00 | 18:00 | 23:00 |
23:00 | 22:00 | 0:00 | 5:00 | 6:00 | 6:00 | 7:00 | 8:30 | 21:00 | 8:00 | 4:00 | 3:00 | 10:00 | 11:00 | 12:00 | 13:00 | 15:00 | 17:00 | 19:00 | 0:00 |
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central Daylight Time (CDT).
End: Central Standard Time (CST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Atlantic Standard Time
Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, Curaçao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)
Principal Cities: The largest city in the AST timezone is Santo Domingo from Dominican Republic with population about 2.202 million people. Other major cities in the area are Santiago de los Caballeros, Santo Domingo Oeste, San Juan, Halifax
French: HNA - Heure Normale de l'Atlantique
Spanish: AST - Tiempo Estándar del Atlántico

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Atlantic Daylight Time (ADT).
End: Atlantic Standard Time (AST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Atlantic Standard Time (AST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
AST representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for AST
- Q - short form of 'Quebec'
- America/Anguilla
- America/Antigua
- America/Aruba
- America/Barbados
- America/Blanc-Sablon
- America/Curacao
- America/Dominica
- America/Glace_Bay
- America/Goose_Bay
- America/Grenada
- America/Guadeloupe
- America/Halifax
- America/Kralendijk
- America/Lower_Princes
- America/Marigot
- America/Martinique
- America/Moncton
- America/Montserrat
- America/Port_of_Spain
- America/Puerto_Rico
- America/Santo_Domingo
- America/St_Barthelemy
- America/St_Kitts
- America/St_Lucia
- America/St_Thomas
- America/St_Vincent
- America/Thule
- America/Tortola
- America/Virgin
- Atlantic/Bermuda
- Canada/Atlantic
- Atlantic Standard Time - UTC -4
- Arabia Standard Time - UTC +3
- Argentina Standard Time - UTC -3
- Armenia Standard Time - UTC +4
- Azores Summer Time - UTC +0
- Apia Standard Time - UTC +13
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 30, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 26, 2025 at 3:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- MET
- Poland
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Eastern European Time
Offset: EET is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Åland Islands, Bulgaria, Cyprus, Estonia, Egypt, Finland, Greece, Lebanon, Lithuania, Latvia, Libya, Moldova, Palestine, Romania, Russia, Ukraine
Principal Cities: The largest city in the EET timezone is Cairo from Egypt with population about 7.735 million people. Other major cities in the area are Alexandria, Kiev, Al Jizah, Beirut
German: OEZ - Osteuropäische Zeit

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern European Summer Time (EEST).
End: Eastern European Time (EET) has ended on Sunday, March 30, 2025 at 3:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 4:00 am local daylight time instead. Standard time ends .
Start: Eastern European Time (EET) starts on Sunday, October 26, 2025 at 4:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 3:00 am. Standard time starts .
EET representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.
- Bravo - Military abbreviation for EET
- B - short form of 'Bravo'
- Africa/Cairo
- Africa/Tripoli
- Asia/Beirut
- Asia/Famagusta
- Asia/Gaza
- Asia/Hebron
- Asia/Nicosia
- EET
- Egypt
- Europe/Athens
- Europe/Bucharest
- Europe/Chisinau
- Europe/Helsinki
- Europe/Kaliningrad
- Europe/Kiev
- Europe/Kyiv
- Europe/Mariehamn
- Europe/Nicosia
- Europe/Riga
- Europe/Sofia
- Europe/Tallinn
- Europe/Tiraspol
- Europe/Uzhgorod
- Europe/Vilnius
- Europe/Zaporozhye
- Libya
- CEST - Central European Summer Time
- EET - Eastern European Time
- MESZ - Mitteleuropäische Sommerzeit
- B - Bravo Time Zone
- CAT - Central Africa Time
- IST - Israel Standard Time
- SAST - South Africa Standard Time
- WAST - West Africa Summer Time
Moscow Standard Time
Offset: MSK is 3 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Russia, Ukraine
Principal Cities: The largest city in the MSK timezone is Moscow from Russia with population about 10.381 million people. Other major cities in the area are Saint Petersburg, Nizhniy Novgorod, Kazan, Rostov na Donu
Daylight Saving: Moscow Standard Time (MSK) is not adjusted for daylight saving therefore MSK remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Moscow Standard Time remains the same

MSK representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the east of the zero meridian.
- Charlie - Military abbreviation for MSK
- C - short form of 'Charlie'
- Europe/Kirov
- Europe/Moscow
- Europe/Simferopol
- Europe/Volgograd
- W-SU
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time
Gulf Standard Time
Offset: GST is 4 hours ahead Greenwich Mean Time (GMT) and is used in Asia

GST representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the east of the zero meridian.
- Delta - Military abbreviation for GST
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MST timezone is Phoenix from USA with population about 1.446 million people. Other major cities in the area are Calgary, Edmonton, El Paso, Denver
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Mountain Daylight Time (MDT).
End: Mountain Standard Time (MST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Mountain Standard Time (MST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
MST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
- Mountain Standard Time - UTC -7
- Moscow Standard Time - UTC +3
- Mauritius Standard Time - UTC +4
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Pakistan Standard Time
Offset: PKT is 5 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Pakistan
Principal Cities: The largest city in the PKT timezone is Karachi from Pakistan with population about 11.624 million people. Other major cities in the area are Lahore, Faisalabad, Rawalpindi, Multan
Daylight Saving: Pakistan Standard Time (PKT) is not adjusted for daylight saving therefore PKT remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Pakistan Standard Time remains the same

PKT representations, usage and related time zones
- +05 - basic short
- +0500 - basic
- +05:00 - extended
- +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the east of the zero meridian.
- Echo - Military abbreviation for PKT
- E - short form of 'Echo'
- Asia/Karachi
- AMST - Armenia Summer Time
- AQTT - Aqtobe Time
- AZST - Azerbaijan Summer Time
- E - Echo Time Zone
- MAWT - Mawson Time
- MVT - Maldives Time
- ORAT - Oral Time
- PKT - Pakistan Standard Time
- TFT - French Southern and Antarctic Time
- TJT - Tajikistan Time
- TMT - Turkmenistan Time
- UZT - Uzbekistan Time
- YEKT - Yekaterinburg Time
- HMT - Heard and McDonald Islands Time
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- Brasilia Standard Time - UTC -3
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT - UTC +1
- GMT+11:00 - UTC +11
- GMT-01:00 - UTC -1
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Indochina Time
Offset: ICT is 7 hours ahead Greenwich Mean Time (GMT) and is used in Asia

ICT representations, usage and related time zones
- +07 - basic short
- +0700 - basic
- +07:00 - extended
- +0700 - sign character (+) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the east of the zero meridian.
- Golf - Military abbreviation for ICT
- G - short form of 'Golf'
- CXT - Christmas Island Time
- DAVT - Davis Time
- G - Golf Time Zone
- HOVT - Hovd Time
- ICT - Indochina Time
- KRAT - Krasnoyarsk Time
- NOVST - Novosibirsk Summer Time
- NOVT - Novosibirsk Time
- OMSST - Omsk Summer Time
- WIB - Western Indonesian Time
China Standard Time
Offset: CST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: China, Macau, Taiwan
Principal Cities: The largest city in the CST timezone is Shanghai from China with population about 14.609 million people. Other major cities in the area are Zhumadian, Taipei, Beijing, Nanchong
Daylight Saving: China Standard Time (CST) is not adjusted for daylight saving therefore CST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, China Standard Time remains the same

CST representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
- Hotel - Military abbreviation for CST
- H - short form of 'Hotel'
- Asia/Chongqing
- Asia/Chungking
- Asia/Harbin
- Asia/Macao
- Asia/Macau
- Asia/Shanghai
- Asia/Taipei
- PRC
- ROC
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Japan
Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo
Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

JST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Eastern Daylight Time (AEDT).
Start: Australian Eastern Standard Time (AEST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Eastern Standard Time (AEST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra
Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.
AEST representations, usage and related time zones
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the east of the zero meridian.
- Kilo - Military abbreviation for AEST
- K - short form of 'Kilo'
- Antarctica/Macquarie
- Australia/ACT
- Australia/Brisbane
- Australia/Canberra
- Australia/Currie
- Australia/Hobart
- Australia/Lindeman
- Australia/Melbourne
- Australia/NSW
- Australia/Queensland
- Australia/Sydney
- Australia/Tasmania
- Australia/Victoria
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time
New Zealand Standard Time
Offset: NZST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: Antarctica, New Zealand
Principal Cities: The largest city in the NZST timezone is Auckland from New Zealand with population about 1.535 million people. Other major cities in the area are Wellington, Christchurch, Hamilton, Tauranga

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe New Zealand Daylight Time (NZDT).
Start: New Zealand Standard Time (NZST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: New Zealand Standard Time (NZST) ends on Sunday, September 28, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, September 28, 2025, 3:00 am local daylight time instead. Standard time starts annually the on last Sunday of September.
NZST representations, usage and related time zones
- +12 - basic short
- +1200 - basic
- +12:00 - extended
- +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates twelve hour and zero minutes time differences to the east of the zero meridian.
- Mike - Military abbreviation for NZST
- M - short form of 'Mike'
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- ANAST - Anadyr Summer Time
- ANAT - Anadyr Time
- FJT - Fiji Time
- GILT - Gilbert Island Time
- M - Mike Time Zone
- MAGST - Magadan Summer Time
- MAGT - Magadan Time
- MHT - Marshall Islands Time
- NRT - Nauru Time
- NZST - New Zealand Standard Time
- PETST - Kamchatka Summer Time
- TVT - Tuvalu Time
- WFT - Wallis and Futuna Time
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: United States
Principal Cities: The largest city in the HST timezone is Honolulu from USA with population about 371,657 people. Other major cities in the area are Pearl City, Hilo, Kailua, Waipahu
Daylight Saving: Hawaii Standard Time (HST) is not adjusted for daylight saving therefore HST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Hawaii Standard Time remains the same

HST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- America/Adak
- America/Atka
- HST
- Pacific/Honolulu
- Pacific/Johnston
- US/Aleutian
- US/Hawaii
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Alaska Standard Time
Offset: AKST is 9 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: United States
Principal Cities: The largest city in the AKST timezone is Anchorage from USA with population about 291,826 people. Other major cities in the area are Fairbanks, Juneau, Eagle River, Badger

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Alaska Daylight Time (AKDT).
End: Alaska Standard Time (AKST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Alaska Standard Time (AKST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
AKST representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the west of the zero meridian.
- Victor - Military abbreviation for AKST
- V - short form of 'Victor'
- America/Anchorage
- America/Juneau
- America/Metlakatla
- America/Nome
- America/Sitka
- America/Yakutat
- US/Alaska
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii Daylight Time
- V - Victor Time Zone
BrasÃlia time
Offset: BRT is 3 hours behind Greenwich Mean Time (GMT) and is used in South America

BRT representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the west of the zero meridian.
- Papa - Military abbreviation for BRT
- P - short form of 'Papa'
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- WGT - West Greenland Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - BrasÃlia time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- SRT - Suriname Time
- UYT - Uruguay Time