GST to EST to PST
Time Difference
Gulf Standard Time is 8 hours ahead of Eastern Daylight Time and 11 hours ahead of Pacific Daylight Time
12:00 am00:00 in GST is 4:00 pm16:00 in EDT and is 1:00 pm13:00 in PDT
GST to EST call time
Best time for a conference call or a meeting is between 5pm-7pm in GST which corresponds to 8am-10am in EST
GST to PST call time
Best time for a conference call or a meeting is between 7pm-9pm in GST which corresponds to 7am-9am in PST
12:00 am00:00 Gulf Standard Time (GST). Offset UTC +4:00 hours
4:00 pm16:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
1:00 pm13:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:00 am00:00 GST / 4:00 pm16:00 EDT / 1:00 pm13:00 PDT
| GST | EDT | PDT |
|---|---|---|
| 12am (midnight) | 4pm | 1pm |
| 1am | 5pm | 2pm |
| 2am | 6pm | 3pm |
| 3am | 7pm | 4pm |
| 4am | 8pm | 5pm |
| 5am | 9pm | 6pm |
| 6am | 10pm | 7pm |
| 7am | 11pm | 8pm |
| 8am | 12am (midnight) | 9pm |
| 9am | 1am | 10pm |
| 10am | 2am | 11pm |
| 11am | 3am | 12am (midnight) |
| 12pm (noon) | 4am | 1am |
| 1pm | 5am | 2am |
| 2pm | 6am | 3am |
| 3pm | 7am | 4am |
| 4pm | 8am | 5am |
| 5pm | 9am | 6am |
| 6pm | 10am | 7am |
| 7pm | 11am | 8am |
| 8pm | 12pm (noon) | 9am |
| 9pm | 1pm | 10am |
| 10pm | 2pm | 11am |
| 11pm | 3pm | 12pm (noon) |
| 0:00 | 16:00 | 13:00 |
| 1:00 | 17:00 | 14:00 |
| 2:00 | 18:00 | 15:00 |
| 3:00 | 19:00 | 16:00 |
| 4:00 | 20:00 | 17:00 |
| 5:00 | 21:00 | 18:00 |
| 6:00 | 22:00 | 19:00 |
| 7:00 | 23:00 | 20:00 |
| 8:00 | 0:00 | 21:00 |
| 9:00 | 1:00 | 22:00 |
| 10:00 | 2:00 | 23:00 |
| 11:00 | 3:00 | 0:00 |
| 12:00 | 4:00 | 1:00 |
| 13:00 | 5:00 | 2:00 |
| 14:00 | 6:00 | 3:00 |
| 15:00 | 7:00 | 4:00 |
| 16:00 | 8:00 | 5:00 |
| 17:00 | 9:00 | 6:00 |
| 18:00 | 10:00 | 7:00 |
| 19:00 | 11:00 | 8:00 |
| 20:00 | 12:00 | 9:00 |
| 21:00 | 13:00 | 10:00 |
| 22:00 | 14:00 | 11:00 |
| 23:00 | 15:00 | 12:00 |
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'
- Gulf Standard Time - UTC +4
- Georgia Standard Time - UTC +4
- 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
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
Pacific Standard Time
Offset: PST is 8 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 PST timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
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 Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) 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: Pacific Standard Time (PST) 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.
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 eight hour and zero minutes time differences 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
- Paraguay Standard Time - UTC -4
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone