CET to EST to CDT to PHT to AEST to GST to UTC to GMT to IST Time Converter
Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.
Queensland stays on AEST (UTC+10).
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Selected conversion
1:00 pm13:00 CET (UTC+1), Nov 12, 2026 = 7:00 am07:00 EST (UTC-5), Nov 12, 2026 = 6:00 am06:00 CST (UTC-6), Nov 12, 2026 = 8:00 pm20:00 PHT (UTC+8), Nov 12, 2026 = 10:00 pm22:00 AEST (UTC+10), Nov 12, 2026 = 4:00 pm16:00 GST (UTC+4), Nov 12, 2026 = 12:00 pm12:00 UTC (UTC+0), Nov 12, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 12, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 12, 2026
CET is 6 hours ahead of EST. CET is 7 hours ahead of CST. CET is 7 hours behind PHT. CET is 9 hours behind AEST. CET is 3 hours behind GST. CET is 1 hour ahead of UTC. CET is 1 hour ahead of GMT. CET is 4 hours and 30 minutes behind IST.
How the time difference changes
CET to EST
For most of the year, CEST is 6 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CET is 6 hours ahead of EST. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, CET is 5 hours ahead of EDT.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 3:00 am to 12:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 3:00 am to 12:00 pm in EST or working hours of 9:00 am to 6:00 pm in CET correspond to 4:00 am to 1:00 pm in EDT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 03:00 to 12:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 03:00 to 12:00 in EST or working hours of 09:00 to 18:00 in CET correspond to 04:00 to 13:00 in EDT.
CET to CDT
For most of the year, CEST is 7 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CET is 7 hours ahead of CST. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, CET is 6 hours ahead of CDT.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 2:00 am to 11:00 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 2:00 am to 11:00 am in CST or working hours of 9:00 am to 6:00 pm in CET correspond to 3:00 am to 12:00 pm in CDT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 02:00 to 11:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 02:00 to 11:00 in CST or working hours of 09:00 to 18:00 in CET correspond to 03:00 to 12:00 in CDT.
CET to PHT
For most of the year, CEST is 6 hours behind PHT. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 7 hours behind PHT.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 3:00 pm to 12:00 am (next day) in PHT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 4:00 pm to 1:00 am (next day) in PHT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 15:00 to 00:00 (next day) in PHT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 16:00 to 01:00 (next day) in PHT.
CET to AEST
For most of the year, CEST is 8 hours behind AEST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 9 hours behind AEST.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 5:00 pm to 2:00 am (next day) in AEST. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 6:00 pm to 3:00 am (next day) in AEST.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 17:00 to 02:00 (next day) in AEST. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 18:00 to 03:00 (next day) in AEST.
CET to GST
For most of the year, CEST is 2 hours behind GST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 3 hours behind GST.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 11:00 am to 8:00 pm in GST. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 12:00 pm to 9:00 pm in GST.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 11:00 to 20:00 in GST. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 12:00 to 21:00 in GST.
CET to UTC
For most of the year, CEST is 2 hours ahead of UTC. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 1 hour ahead of UTC.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 7:00 am to 4:00 pm in UTC. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 8:00 am to 5:00 pm in UTC.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 07:00 to 16:00 in UTC. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 08:00 to 17:00 in UTC.
CET to GMT
For most of the year, CEST is 2 hours ahead of GMT. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 1 hour ahead of GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 7:00 am to 4:00 pm in GMT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 8:00 am to 5:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 07:00 to 16:00 in GMT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 08:00 to 17:00 in GMT.
CET to IST
For most of the year, CEST is 3 hours and 30 minutes behind IST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 4 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 12:30 pm to 9:30 pm in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 1:30 pm to 10:30 pm in IST.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 12:30 to 21:30 in IST. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 13:30 to 22:30 in IST.
Compare CET time with EST, CDT, PHT, AEST, GST, UTC, GMT, and IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central European Time is 6 hours ahead of Eastern Standard Time. Central European Time is 7 hours ahead of Central Standard Time. Central European Time is 7 hours behind Philippine Time. Central European Time is 9 hours behind Australian Eastern Standard Time. Central European Time is 3 hours behind Gulf Standard Time. Central European Time is 1 hour ahead of Coordinated Universal Time. Central European Time is 1 hour ahead of Greenwich Mean Time. Central European Time is 4 hours and 30 minutes behind India Standard Time.
1:00 pm13:00 in CET is 7:00 am07:00 in EST and is 6:00 am06:00 in CST and is 8:00 pm20:00 in PHT and is 10:00 pm22:00 in AEST and is 4:00 pm16:00 in GST and is 12:00 pm12:00 in UTC and is 12:00 pm12:00 in GMT and is 5:30 pm17:30 in IST
CET to EST call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in CET which corresponds to 9am-12pm09:00-12:00 in EST.
CET to CST call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in CET which corresponds to 9am-11am09:00-11:00 in CST.
CET to PHT call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in CET which corresponds to 4pm-6pm16:00-18:00 in PHT.
CET to AEST call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in CET which corresponds to 5:30pm-6:30pm17:30-18:30 in AEST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
CET to GST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in CET which corresponds to 12pm-6pm12:00-18:00 in GST.
CET to UTC call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in CET which corresponds to 9am-5pm09:00-17:00 in UTC.
CET to GMT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in CET which corresponds to 9am-5pm09:00-17:00 in GMT.
CET to IST call time
Best time for a conference call or a meeting is between 9am-1:30pm09:00-13:30 in CET which corresponds to 1:30pm-6pm13:30-18:00 in IST.
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
8:00 pm20:00 Philippine Time (PHT). Offset UTC +8:00 hours
10:00 pm22:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
4:00 pm16:00 Gulf Standard Time (GST). Offset UTC +4:00 hours
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 CET / 7:00 am07:00 EST / 6:00 am06:00 CST / 8:00 pm20:00 PHT / 10:00 pm22:00 AEST / 4:00 pm16:00 GST / 12:00 pm12:00 UTC / 12:00 pm12:00 GMT / 5:30 pm17:30 IST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| CET | EST | CST | PHT | AEST | GST | UTC | GMT | IST |
|---|---|---|---|---|---|---|---|---|
| 6:00pm previous day | 5:00pm previous day | 7:00am | 9:00am | 3:00am | 11:00pm previous day | 11:00pm previous day | 4:30am | |
| 7:00pm previous day | 6:00pm previous day | 8:00am | 10:00am | 4:00am | 12:00am | 12:00am | 5:30am | |
| 8:00pm previous day | 7:00pm previous day | 9:00am | 11:00am | 5:00am | 1:00am | 1:00am | 6:30am | |
| 9:00pm previous day | 8:00pm previous day | 10:00am | 12:00pm | 6:00am | 2:00am | 2:00am | 7:30am | |
| 10:00pm previous day | 9:00pm previous day | 11:00am | 1:00pm | 7:00am | 3:00am | 3:00am | 8:30am | |
| 11:00pm previous day | 10:00pm previous day | 12:00pm | 2:00pm | 8:00am | 4:00am | 4:00am | 9:30am | |
| 12:00am | 11:00pm previous day | 1:00pm | 3:00pm | 9:00am | 5:00am | 5:00am | 10:30am | |
| 1:00am | 12:00am | 2:00pm | 4:00pm | 10:00am | 6:00am | 6:00am | 11:30am | |
| 2:00am | 1:00am | 3:00pm | 5:00pm | 11:00am | 7:00am | 7:00am | 12:30pm | |
| 3:00am | 2:00am | 4:00pm | 6:00pm | 12:00pm | 8:00am | 8:00am | 1:30pm | |
| 4:00am | 3:00am | 5:00pm | 7:00pm | 1:00pm | 9:00am | 9:00am | 2:30pm | |
| 5:00am | 4:00am | 6:00pm | 8:00pm | 2:00pm | 10:00am | 10:00am | 3:30pm | |
| 6:00am | 5:00am | 7:00pm | 9:00pm | 3:00pm | 11:00am | 11:00am | 4:30pm | |
| 7:00am | 6:00am | 8:00pm | 10:00pm | 4:00pm | 12:00pm | 12:00pm | 5:30pm | |
| 8:00am | 7:00am | 9:00pm | 11:00pm | 5:00pm | 1:00pm | 1:00pm | 6:30pm | |
| 9:00am | 8:00am | 10:00pm | 12:00am next day | 6:00pm | 2:00pm | 2:00pm | 7:30pm | |
| 10:00am | 9:00am | 11:00pm | 1:00am next day | 7:00pm | 3:00pm | 3:00pm | 8:30pm | |
| 11:00am | 10:00am | 12:00am next day | 2:00am next day | 8:00pm | 4:00pm | 4:00pm | 9:30pm | |
| 12:00pm | 11:00am | 1:00am next day | 3:00am next day | 9:00pm | 5:00pm | 5:00pm | 10:30pm | |
| 1:00pm | 12:00pm | 2:00am next day | 4:00am next day | 10:00pm | 6:00pm | 6:00pm | 11:30pm | |
| 2:00pm | 1:00pm | 3:00am next day | 5:00am next day | 11:00pm | 7:00pm | 7:00pm | 12:30am next day | |
| 3:00pm | 2:00pm | 4:00am next day | 6:00am next day | 12:00am next day | 8:00pm | 8:00pm | 1:30am next day | |
| 4:00pm | 3:00pm | 5:00am next day | 7:00am next day | 1:00am next day | 9:00pm | 9:00pm | 2:30am next day | |
| 5:00pm | 4:00pm | 6:00am next day | 8:00am next day | 2:00am next day | 10:00pm | 10:00pm | 3:30am next day | |
| 18:00 previous day | 17:00 previous day | 07:00 | 09:00 | 03:00 | 23:00 previous day | 23:00 previous day | 04:30 | |
| 19:00 previous day | 18:00 previous day | 08:00 | 10:00 | 04:00 | 00:00 | 00:00 | 05:30 | |
| 20:00 previous day | 19:00 previous day | 09:00 | 11:00 | 05:00 | 01:00 | 01:00 | 06:30 | |
| 21:00 previous day | 20:00 previous day | 10:00 | 12:00 | 06:00 | 02:00 | 02:00 | 07:30 | |
| 22:00 previous day | 21:00 previous day | 11:00 | 13:00 | 07:00 | 03:00 | 03:00 | 08:30 | |
| 23:00 previous day | 22:00 previous day | 12:00 | 14:00 | 08:00 | 04:00 | 04:00 | 09:30 | |
| 00:00 | 23:00 previous day | 13:00 | 15:00 | 09:00 | 05:00 | 05:00 | 10:30 | |
| 01:00 | 00:00 | 14:00 | 16:00 | 10:00 | 06:00 | 06:00 | 11:30 | |
| 02:00 | 01:00 | 15:00 | 17:00 | 11:00 | 07:00 | 07:00 | 12:30 | |
| 03:00 | 02:00 | 16:00 | 18:00 | 12:00 | 08:00 | 08:00 | 13:30 | |
| 04:00 | 03:00 | 17:00 | 19:00 | 13:00 | 09:00 | 09:00 | 14:30 | |
| 05:00 | 04:00 | 18:00 | 20:00 | 14:00 | 10:00 | 10:00 | 15:30 | |
| 06:00 | 05:00 | 19:00 | 21:00 | 15:00 | 11:00 | 11:00 | 16:30 | |
| 07:00 | 06:00 | 20:00 | 22:00 | 16:00 | 12:00 | 12:00 | 17:30 | |
| 08:00 | 07:00 | 21:00 | 23:00 | 17:00 | 13:00 | 13:00 | 18:30 | |
| 09:00 | 08:00 | 22:00 | 00:00 next day | 18:00 | 14:00 | 14:00 | 19:30 | |
| 10:00 | 09:00 | 23:00 | 01:00 next day | 19:00 | 15:00 | 15:00 | 20:30 | |
| 11:00 | 10:00 | 00:00 next day | 02:00 next day | 20:00 | 16:00 | 16:00 | 21:30 | |
| 12:00 | 11:00 | 01:00 next day | 03:00 next day | 21:00 | 17:00 | 17:00 | 22:30 | |
| 13:00 | 12:00 | 02:00 next day | 04:00 next day | 22:00 | 18:00 | 18:00 | 23:30 | |
| 14:00 | 13:00 | 03:00 next day | 05:00 next day | 23:00 | 19:00 | 19:00 | 00:30 next day | |
| 15:00 | 14:00 | 04:00 next day | 06:00 next day | 00:00 next day | 20:00 | 20:00 | 01:30 next day | |
| 16:00 | 15:00 | 05:00 next day | 07:00 next day | 01:00 next day | 21:00 | 21:00 | 02:30 next day | |
| 17:00 | 16:00 | 06:00 next day | 08:00 next day | 02:00 next day | 22:00 | 22:00 | 03:30 next day |
Central European Time
Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Albania, Algeria, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Tunisia, Vatican City
Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.
German: MEZ - Mitteleuropäische Zeit
Today all shaded areas are on CET.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).
Start: Central European Time (CET) started on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.
End: Central European Time (CET) ends on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.
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 an offset of one hour 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 Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today all shaded areas are on EST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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 an offset of five hours 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 Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Today the shaded areas are on UTC−6 (Central Standard Time).
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
CDT 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 an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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
Philippine Time
Offset: PHT is 8 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Philippines
Principal Cities: The largest city in the PHT time zone is Quezon City in the Philippines, with about 3.084 million people. Other major cities in this time zone include Davao, Caloocan, Manila, Taguig.
Daylight Saving: Clocks in Philippine Time (PHT) do not change for daylight saving time, so PHT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
PHT 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 an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for PHT
- H - short form of 'Hotel'
- 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
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Australia
Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 5.639 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Newcastle.
Today the lighter areas are on UTC+11 (AEDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Eastern Daylight Time (AEDT).
End: Australian Eastern Standard Time (AEST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the first Sunday of October.
Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.
See Australia daylight saving time and upcoming clock changes worldwide.
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 an offset of ten hours 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
Gulf Standard Time
Offset: GST is 4 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Oman, United Arab Emirates
Principal Cities: The largest city in the GST time zone is Dubai in the United Arab Emirates, with about 3.79 million people. Other major cities in this time zone include Abu Dhabi, Sharjah, Al Ain City, Muscat.
Daylight Saving: Clocks in Gulf Standard Time (GST) do not change for daylight saving time, so GST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
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 an offset of four hours 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
Coordinated Universal Time
Offset: UTC is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara
Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.
Today some of the lighter areas are on UTC−1.
UTC 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 the zero UTC/GMT offset.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Greenwich Mean Time
Offset: GMT is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara
Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.
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 the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.
Today all shaded areas are on GMT.
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 the zero UTC/GMT offset.
- 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
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in India: India time now
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 an offset of five hours and thirty minutes 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