EST to AST to PST to CST to BST to SAST to Sydney to Brisbane to IST to MST Time Converter
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Selected conversion
7:00 am07:00 EST (UTC-5), Nov 10, 2026 = 8:00 am08:00 AST (UTC-4), Nov 10, 2026 = 4:00 am04:00 PST (UTC-8), Nov 10, 2026 = 6:00 am06:00 CST (UTC-6), Nov 10, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 10, 2026 = 2:00 pm14:00 SAST (UTC+2), Nov 10, 2026 = 11:00 pm23:00 AEDT (UTC+11), Nov 10, 2026 = 10:00 pm22:00 AEST (UTC+10), Nov 10, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 10, 2026 = 5:00 am05:00 MST (UTC-7), Nov 10, 2026
EST is 1 hour behind AST. EST is 3 hours ahead of PST. EST is 1 hour ahead of CST. EST is 5 hours behind GMT. EST is 7 hours behind SAST. EST is 16 hours behind Sydney. EST is 15 hours behind Brisbane. EST is 10 hours and 30 minutes behind IST. EST is 2 hours ahead of MST.
How the time difference changes
EST to AST
For most of the year, EDT is 1 hour behind ADT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 1 hour behind AST. Briefly around clock changes, EDT and AST have the same time or EST is 2 hours behind ADT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 10:00 am to 7:00 pm in ADT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 10:00 am to 7:00 pm in AST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 10:00 to 19:00 in ADT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 10:00 to 19:00 in AST.
EST to PST
For most of the year, EDT is 3 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 3 hours ahead of PST. Briefly around clock changes, EDT is 4 hours ahead of PST or EST is 2 hours ahead of PDT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 6:00 am to 3:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 6:00 am to 3:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 06:00 to 15:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 06:00 to 15:00 in PST.
EST to CST
For most of the year, EDT is 1 hour ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 1 hour ahead of CST. Briefly around clock changes, EDT is 2 hours ahead of CST or EST and CDT have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 8:00 am to 5:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 8:00 am to 5:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 08:00 to 17:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 08:00 to 17:00 in CST.
EST to BST
For most of the year, EDT is 5 hours behind BST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 5 hours behind GMT. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, EDT is 4 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 2:00 pm to 11:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 2:00 pm to 11:00 pm in GMT or working hours of 9:00 am to 6:00 pm in EDT correspond to 1:00 pm to 10:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 14:00 to 23:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 14:00 to 23:00 in GMT or working hours of 09:00 to 18:00 in EDT correspond to 13:00 to 22:00 in GMT.
EST to SAST
For most of the year, EDT is 6 hours behind SAST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 7 hours behind SAST.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 3:00 pm to 12:00 am (next day) in SAST. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 4:00 pm to 1:00 am (next day) in SAST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 15:00 to 00:00 (next day) in SAST. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 16:00 to 01:00 (next day) in SAST.
EST to Sydney
Depending on seasonal clock changes, EDT is 14 hours behind Sydney, EDT is 15 hours behind Sydney, or EST is 16 hours behind Sydney.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in EDT correspond to 11:00 pm to 8:00 am (next day) in Sydney, working hours of 9:00 am to 6:00 pm in EDT correspond to 12:00 am (next day) to 9:00 am (next day) in Sydney, or working hours of 9:00 am to 6:00 pm in EST correspond to 1:00 am (next day) to 10:00 am (next day) in Sydney.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in EDT correspond to 23:00 to 08:00 (next day) in Sydney, working hours of 09:00 to 18:00 in EDT correspond to 00:00 (next day) to 09:00 (next day) in Sydney, or working hours of 09:00 to 18:00 in EST correspond to 01:00 (next day) to 10:00 (next day) in Sydney.
EST to Brisbane
For most of the year, EDT is 14 hours behind Brisbane. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 15 hours behind Brisbane.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 11:00 pm to 8:00 am (next day) in Brisbane. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 12:00 am (next day) to 9:00 am (next day) in Brisbane.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 23:00 to 08:00 (next day) in Brisbane. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 00:00 (next day) to 09:00 (next day) in Brisbane.
EST to IST
For most of the year, EDT is 9 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 10 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 6:30 pm to 3:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 7:30 pm to 4:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 18:30 to 03:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 19:30 to 04:30 (next day) in IST.
EST to MST
For most of the year, EDT is 2 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 2 hours ahead of MST. Briefly around clock changes, EDT is 3 hours ahead of MST or EST is 1 hour ahead of MDT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 7:00 am to 4:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 7:00 am to 4:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 07:00 to 16:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 07:00 to 16:00 in MST.
Compare EST time with AST, PST, CST, BST, SAST, Sydney, Brisbane, IST, and MST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Standard Time is 1 hour behind Atlantic Standard Time. Eastern Standard Time is 3 hours ahead of Pacific Standard Time. Eastern Standard Time is 1 hour ahead of Central Standard Time. Eastern Standard Time is 5 hours behind Greenwich Mean Time. Eastern Standard Time is 7 hours behind South Africa Standard Time. Eastern Standard Time is 16 hours behind AEDT (Australian Eastern Daylight Time). Eastern Standard Time is 15 hours behind AEST (Australian Eastern Standard Time). Eastern Standard Time is 10 hours and 30 minutes behind India Standard Time. Eastern Standard Time is 2 hours ahead of Mountain Standard Time.
7:00 am07:00 in EST is 8:00 am08:00 in AST and is 4:00 am04:00 in PST and is 6:00 am06:00 in CST and is 12:00 pm12:00 in GMT and is 2:00 pm14:00 in SAST and is 11:00 pm23:00 in Sydney, Australia and is 10:00 pm22:00 in Brisbane, Australia and is 5:30 pm17:30 in IST and is 5:00 am05:00 in MST
EST to AST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in EST which corresponds to 10am-6pm10:00-18:00 in AST.
EST to PST call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in EST which corresponds to 9am-3pm09:00-15:00 in PST.
EST to CST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in EST which corresponds to 9am-5pm09:00-17:00 in CST.
EST to GMT call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in EST which corresponds to 2pm-6pm14:00-18:00 in GMT.
EST to SAST call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in EST which corresponds to 4pm-6pm16:00-18:00 in SAST.
EST to Sydney call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in EST which corresponds to 9am-10am09:00-10:00 in Sydney (next day).
EST to Brisbane call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in EST which corresponds to 8:30am-9:30am08:30-09:30 in Brisbane (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
EST to IST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in EST which corresponds to 6:30pm-7:30pm18:30-19:30 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
EST to MST call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in EST which corresponds to 9am-4pm09:00-16:00 in MST.
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
8:00 am08:00 Atlantic Standard Time (AST). Offset UTC -4:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:00 pm14:00 South Africa Standard Time (SAST). Offset UTC +2:00 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
10:00 pm22:00 AEST (Australian Eastern Standard Time) (Brisbane, Australia). Offset UTC +10:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
7:00 am07:00 EST / 8:00 am08:00 AST / 4:00 am04:00 PST / 6:00 am06:00 CST / 12:00 pm12:00 GMT / 2:00 pm14:00 SAST / 11:00 pm23:00 Sydney, Australia / 10:00 pm22:00 Brisbane, Australia / 5:30 pm17:30 IST / 5:00 am05:00 MST
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| EST | AST | PST | CST | GMT | SAST | Sydney, Australia | Brisbane, Australia | IST | MST |
|---|---|---|---|---|---|---|---|---|---|
| 1:00am | 9:00pm previous day | 11:00pm previous day | 5:00am | 7:00am | 4:00pm | 3:00pm | 10:30am | 10:00pm previous day | |
| 2:00am | 10:00pm previous day | 12:00am | 6:00am | 8:00am | 5:00pm | 4:00pm | 11:30am | 11:00pm previous day | |
| 3:00am | 11:00pm previous day | 1:00am | 7:00am | 9:00am | 6:00pm | 5:00pm | 12:30pm | 12:00am | |
| 4:00am | 12:00am | 2:00am | 8:00am | 10:00am | 7:00pm | 6:00pm | 1:30pm | 1:00am | |
| 5:00am | 1:00am | 3:00am | 9:00am | 11:00am | 8:00pm | 7:00pm | 2:30pm | 2:00am | |
| 6:00am | 2:00am | 4:00am | 10:00am | 12:00pm | 9:00pm | 8:00pm | 3:30pm | 3:00am | |
| 7:00am | 3:00am | 5:00am | 11:00am | 1:00pm | 10:00pm | 9:00pm | 4:30pm | 4:00am | |
| 8:00am | 4:00am | 6:00am | 12:00pm | 2:00pm | 11:00pm | 10:00pm | 5:30pm | 5:00am | |
| 9:00am | 5:00am | 7:00am | 1:00pm | 3:00pm | 12:00am next day | 11:00pm | 6:30pm | 6:00am | |
| 10:00am | 6:00am | 8:00am | 2:00pm | 4:00pm | 1:00am next day | 12:00am next day | 7:30pm | 7:00am | |
| 11:00am | 7:00am | 9:00am | 3:00pm | 5:00pm | 2:00am next day | 1:00am next day | 8:30pm | 8:00am | |
| 12:00pm | 8:00am | 10:00am | 4:00pm | 6:00pm | 3:00am next day | 2:00am next day | 9:30pm | 9:00am | |
| 1:00pm | 9:00am | 11:00am | 5:00pm | 7:00pm | 4:00am next day | 3:00am next day | 10:30pm | 10:00am | |
| 2:00pm | 10:00am | 12:00pm | 6:00pm | 8:00pm | 5:00am next day | 4:00am next day | 11:30pm | 11:00am | |
| 3:00pm | 11:00am | 1:00pm | 7:00pm | 9:00pm | 6:00am next day | 5:00am next day | 12:30am next day | 12:00pm | |
| 4:00pm | 12:00pm | 2:00pm | 8:00pm | 10:00pm | 7:00am next day | 6:00am next day | 1:30am next day | 1:00pm | |
| 5:00pm | 1:00pm | 3:00pm | 9:00pm | 11:00pm | 8:00am next day | 7:00am next day | 2:30am next day | 2:00pm | |
| 6:00pm | 2:00pm | 4:00pm | 10:00pm | 12:00am next day | 9:00am next day | 8:00am next day | 3:30am next day | 3:00pm | |
| 7:00pm | 3:00pm | 5:00pm | 11:00pm | 1:00am next day | 10:00am next day | 9:00am next day | 4:30am next day | 4:00pm | |
| 8:00pm | 4:00pm | 6:00pm | 12:00am next day | 2:00am next day | 11:00am next day | 10:00am next day | 5:30am next day | 5:00pm | |
| 9:00pm | 5:00pm | 7:00pm | 1:00am next day | 3:00am next day | 12:00pm next day | 11:00am next day | 6:30am next day | 6:00pm | |
| 10:00pm | 6:00pm | 8:00pm | 2:00am next day | 4:00am next day | 1:00pm next day | 12:00pm next day | 7:30am next day | 7:00pm | |
| 11:00pm | 7:00pm | 9:00pm | 3:00am next day | 5:00am next day | 2:00pm next day | 1:00pm next day | 8:30am next day | 8:00pm | |
| 12:00am next day | 8:00pm | 10:00pm | 4:00am next day | 6:00am next day | 3:00pm next day | 2:00pm next day | 9:30am next day | 9:00pm | |
| 01:00 | 21:00 previous day | 23:00 previous day | 05:00 | 07:00 | 16:00 | 15:00 | 10:30 | 22:00 previous day | |
| 02:00 | 22:00 previous day | 00:00 | 06:00 | 08:00 | 17:00 | 16:00 | 11:30 | 23:00 previous day | |
| 03:00 | 23:00 previous day | 01:00 | 07:00 | 09:00 | 18:00 | 17:00 | 12:30 | 00:00 | |
| 04:00 | 00:00 | 02:00 | 08:00 | 10:00 | 19:00 | 18:00 | 13:30 | 01:00 | |
| 05:00 | 01:00 | 03:00 | 09:00 | 11:00 | 20:00 | 19:00 | 14:30 | 02:00 | |
| 06:00 | 02:00 | 04:00 | 10:00 | 12:00 | 21:00 | 20:00 | 15:30 | 03:00 | |
| 07:00 | 03:00 | 05:00 | 11:00 | 13:00 | 22:00 | 21:00 | 16:30 | 04:00 | |
| 08:00 | 04:00 | 06:00 | 12:00 | 14:00 | 23:00 | 22:00 | 17:30 | 05:00 | |
| 09:00 | 05:00 | 07:00 | 13:00 | 15:00 | 00:00 next day | 23:00 | 18:30 | 06:00 | |
| 10:00 | 06:00 | 08:00 | 14:00 | 16:00 | 01:00 next day | 00:00 next day | 19:30 | 07:00 | |
| 11:00 | 07:00 | 09:00 | 15:00 | 17:00 | 02:00 next day | 01:00 next day | 20:30 | 08:00 | |
| 12:00 | 08:00 | 10:00 | 16:00 | 18:00 | 03:00 next day | 02:00 next day | 21:30 | 09:00 | |
| 13:00 | 09:00 | 11:00 | 17:00 | 19:00 | 04:00 next day | 03:00 next day | 22:30 | 10:00 | |
| 14:00 | 10:00 | 12:00 | 18:00 | 20:00 | 05:00 next day | 04:00 next day | 23:30 | 11:00 | |
| 15:00 | 11:00 | 13:00 | 19:00 | 21:00 | 06:00 next day | 05:00 next day | 00:30 next day | 12:00 | |
| 16:00 | 12:00 | 14:00 | 20:00 | 22:00 | 07:00 next day | 06:00 next day | 01:30 next day | 13:00 | |
| 17:00 | 13:00 | 15:00 | 21:00 | 23:00 | 08:00 next day | 07:00 next day | 02:30 next day | 14:00 | |
| 18:00 | 14:00 | 16:00 | 22:00 | 00:00 next day | 09:00 next day | 08:00 next day | 03:30 next day | 15:00 | |
| 19:00 | 15:00 | 17:00 | 23:00 | 01:00 next day | 10:00 next day | 09:00 next day | 04:30 next day | 16:00 | |
| 20:00 | 16:00 | 18:00 | 00:00 next day | 02:00 next day | 11:00 next day | 10:00 next day | 05:30 next day | 17:00 | |
| 21:00 | 17:00 | 19:00 | 01:00 next day | 03:00 next day | 12:00 next day | 11:00 next day | 06:30 next day | 18:00 | |
| 22:00 | 18:00 | 20:00 | 02:00 next day | 04:00 next day | 13:00 next day | 12:00 next day | 07:30 next day | 19:00 | |
| 23:00 | 19:00 | 21:00 | 03:00 next day | 05:00 next day | 14:00 next day | 13:00 next day | 08:30 next day | 20:00 | |
| 00:00 next day | 20:00 | 22:00 | 04:00 next day | 06:00 next day | 15:00 next day | 14:00 next day | 09:30 next day | 21:00 |
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
Atlantic Standard Time
Offset: AST is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Anguilla, Antigua and Barbuda, Aruba, Barbados, Bermuda, British Virgin Islands, Canada, Caribbean Netherlands, Curaçao, Dominica, Dominican Republic, Greenland, Grenada, Guadeloupe, Martinique, Montserrat, Puerto Rico, Saint Barthélemy, Saint Kitts and Nevis, Saint Lucia, Saint Martin, Saint Vincent and the Grenadines, Sint Maarten, Trinidad and Tobago, US Virgin Islands
Principal Cities: The largest city in the AST time zone is Santo Domingo in the Dominican Republic, with about 2.202 million people. Other major cities in this time zone include Santiago de los Caballeros, Halifax, San Juan, San Pedro de Macorís.
French: HNA - Heure Normale de l'Atlantique
Spanish: AST - Tiempo Estándar del Atlántico
Today all shaded areas are on AST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Atlantic Daylight Time (ADT).
Start: Atlantic Standard Time (AST) 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: Atlantic Standard Time (AST) 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 Canada daylight saving time and upcoming clock changes worldwide.
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 an offset of four hours 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
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Today all shaded areas are on PST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) 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: Pacific Standard Time (PST) 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.
PST 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 west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today all shaded areas are on CST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
Start: Central Standard Time (CST) 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: Central Standard Time (CST) 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.
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 an offset of six hours 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
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
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.
Current time in the United Kingdom: UK time now
Today the shaded areas are on UTC+0 (GMT).
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 an offset of one hour 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
- 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
South Africa Standard Time
Offset: SAST is 2 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Eswatini, Lesotho, South Africa
Principal Cities: The largest city in the SAST time zone is Johannesburg in South Africa, with about 9.418 million people. Other major cities in this time zone include Cape Town, Durban, Pretoria, Gqeberha.
Daylight Saving: Clocks in South Africa Standard Time (SAST) do not change for daylight saving time, so SAST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
SAST 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 an offset of two hours to the east of the zero meridian.
- Bravo - Military abbreviation for SAST
- B - short form of 'Bravo'
- Africa/Johannesburg
- Africa/Maseru
- Africa/Mbabane
- 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
Sydney Time Zone and Facts
Time Zone
AEST – Australian Eastern Standard Time, UTC+10 (standard time)
Sydney Facts
Brisbane Time Zone and Facts
Time Zone
Brisbane Facts
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
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Ciudad Juárez, Hermosillo, Culiacán, Denver.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
Today all shaded areas are on MST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).
Start: Mountain Standard Time (MST) 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: Mountain Standard Time (MST) 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.
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 an offset of seven hours 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
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone