PST to BST to UTC to EST
BST is not used on this date
This converter uses GMT (GMT +0), the offset London uses on this date. Open the GMT converter.Compare PST time with BST, UTC, and EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pacific Standard Time is 8 hours behind Greenwich Mean Time and 8 hours behind Universal Time Coordinated and 3 hours behind Eastern Standard Time
4:00 am04:00 in PST is 12:00 pm12:00 in GMT and is 12:00 pm12:00 in UTC and is 7:00 am07:00 in EST
PST to GMT call time
Best time for a conference call or a meeting is between 8:30am-9:30am in PST which corresponds to 4:30pm-5:30pm in GMT
PST to UTC call time
Best time for a conference call or a meeting is between 8:30am-9:30am in PST which corresponds to 4:30pm-5:30pm in UTC
PST to EST call time
Best time for a conference call or a meeting is between 9am-2pm in PST which corresponds to 12pm-5pm in EST
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
12:00 pm12:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
4:00 am04:00 PST / 12:00 pm12:00 GMT / 12:00 pm12:00 UTC / 7:00 am07:00 EST
| PST | GMT | UTC | EST |
|---|---|---|---|
| 12am (midnight) | 8am | 8am | 3am |
| 1am | 9am | 9am | 4am |
| 2am | 10am | 10am | 5am |
| 3am | 11am | 11am | 6am |
| 4am | 12pm (noon) | 12pm (noon) | 7am |
| 5am | 1pm | 1pm | 8am |
| 6am | 2pm | 2pm | 9am |
| 7am | 3pm | 3pm | 10am |
| 8am | 4pm | 4pm | 11am |
| 9am | 5pm | 5pm | 12pm (noon) |
| 10am | 6pm | 6pm | 1pm |
| 11am | 7pm | 7pm | 2pm |
| 12pm (noon) | 8pm | 8pm | 3pm |
| 1pm | 9pm | 9pm | 4pm |
| 2pm | 10pm | 10pm | 5pm |
| 3pm | 11pm | 11pm | 6pm |
| 4pm | 12am (midnight) | 12am (midnight) | 7pm |
| 5pm | 1am | 1am | 8pm |
| 6pm | 2am | 2am | 9pm |
| 7pm | 3am | 3am | 10pm |
| 8pm | 4am | 4am | 11pm |
| 9pm | 5am | 5am | 12am (midnight) |
| 10pm | 6am | 6am | 1am |
| 11pm | 7am | 7am | 2am |
| 00:00 | 08:00 | 08:00 | 03:00 |
| 01:00 | 09:00 | 09:00 | 04:00 |
| 02:00 | 10:00 | 10:00 | 05:00 |
| 03:00 | 11:00 | 11:00 | 06:00 |
| 04:00 | 12:00 | 12:00 | 07:00 |
| 05:00 | 13:00 | 13:00 | 08:00 |
| 06:00 | 14:00 | 14:00 | 09:00 |
| 07:00 | 15:00 | 15:00 | 10:00 |
| 08:00 | 16:00 | 16:00 | 11:00 |
| 09:00 | 17:00 | 17:00 | 12:00 |
| 10:00 | 18:00 | 18:00 | 13:00 |
| 11:00 | 19:00 | 19:00 | 14:00 |
| 12:00 | 20:00 | 20:00 | 15:00 |
| 13:00 | 21:00 | 21:00 | 16:00 |
| 14:00 | 22:00 | 22:00 | 17:00 |
| 15:00 | 23:00 | 23:00 | 18:00 |
| 16:00 | 00:00 | 00:00 | 19:00 |
| 17:00 | 01:00 | 01:00 | 20:00 |
| 18:00 | 02:00 | 02:00 | 21:00 |
| 19:00 | 03:00 | 03:00 | 22:00 |
| 20:00 | 04:00 | 04:00 | 23:00 |
| 21:00 | 05:00 | 05:00 | 00:00 |
| 22:00 | 06:00 | 06:00 | 01:00 |
| 23:00 | 07:00 | 07:00 | 02:00 |
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include 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. 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 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Pacific Standard Time (PST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST time zone is London in United Kingdom, with about 7.557 million people. Other major cities in this time zone include Birmingham, Glasgow, Liverpool, Saint Helier.
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.
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
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
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 - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include 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. 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 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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