PDT to CST to EST to London, United Kingdom
Compare PDT time with CST, EST, and London time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pacific Standard Time is 2 hours behind Central Standard Time and 3 hours behind Eastern Standard Time and 8 hours behind GMT (Greenwich Mean Time)
4:00 am04:00 in PST is 6:00 am06:00 in CST and is 7:00 am07:00 in EST and is 12:00 pm12:00 in London, United Kingdom
PST to CST call time
Best time for a conference call or a meeting is between 9am-3pm in PST which corresponds to 11am-5pm in CST
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
PST to London 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 London
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
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
4:00 am04:00 PST / 6:00 am06:00 CST / 7:00 am07:00 EST / 12:00 pm12:00 London, United Kingdom
| PST | CST | EST | London, United Kingdom |
|---|---|---|---|
| 12am (midnight) | 2am | 3am | 8am |
| 1am | 3am | 4am | 9am |
| 2am | 4am | 5am | 10am |
| 3am | 5am | 6am | 11am |
| 4am | 6am | 7am | 12pm (noon) |
| 5am | 7am | 8am | 1pm |
| 6am | 8am | 9am | 2pm |
| 7am | 9am | 10am | 3pm |
| 8am | 10am | 11am | 4pm |
| 9am | 11am | 12pm (noon) | 5pm |
| 10am | 12pm (noon) | 1pm | 6pm |
| 11am | 1pm | 2pm | 7pm |
| 12pm (noon) | 2pm | 3pm | 8pm |
| 1pm | 3pm | 4pm | 9pm |
| 2pm | 4pm | 5pm | 10pm |
| 3pm | 5pm | 6pm | 11pm |
| 4pm | 6pm | 7pm | 12am (midnight) |
| 5pm | 7pm | 8pm | 1am |
| 6pm | 8pm | 9pm | 2am |
| 7pm | 9pm | 10pm | 3am |
| 8pm | 10pm | 11pm | 4am |
| 9pm | 11pm | 12am (midnight) | 5am |
| 10pm | 12am (midnight) | 1am | 6am |
| 11pm | 1am | 2am | 7am |
| 00:00 | 02:00 | 03:00 | 08:00 |
| 01:00 | 03:00 | 04:00 | 09:00 |
| 02:00 | 04:00 | 05:00 | 10:00 |
| 03:00 | 05:00 | 06:00 | 11:00 |
| 04:00 | 06:00 | 07:00 | 12:00 |
| 05:00 | 07:00 | 08:00 | 13:00 |
| 06:00 | 08:00 | 09:00 | 14:00 |
| 07:00 | 09:00 | 10:00 | 15:00 |
| 08:00 | 10:00 | 11:00 | 16:00 |
| 09:00 | 11:00 | 12:00 | 17:00 |
| 10:00 | 12:00 | 13:00 | 18:00 |
| 11:00 | 13:00 | 14:00 | 19:00 |
| 12:00 | 14:00 | 15:00 | 20:00 |
| 13:00 | 15:00 | 16:00 | 21:00 |
| 14:00 | 16:00 | 17:00 | 22:00 |
| 15:00 | 17:00 | 18:00 | 23:00 |
| 16:00 | 18:00 | 19:00 | 00:00 |
| 17:00 | 19:00 | 20:00 | 01:00 |
| 18:00 | 20:00 | 21:00 | 02:00 |
| 19:00 | 21:00 | 22:00 | 03:00 |
| 20:00 | 22:00 | 23:00 | 04:00 |
| 21:00 | 23:00 | 00:00 | 05:00 |
| 22:00 | 00:00 | 01:00 | 06:00 |
| 23:00 | 01:00 | 02:00 | 07:00 |
Pacific Daylight Time
Offset: PDT is 7 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 PDT 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: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Pacific Standard Time (PST).
End: Pacific Daylight Time (PDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Pacific Daylight Time (PDT) starts 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. Daylight saving starts annually on the second Sunday of March
PDT 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 PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, 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, Iztapalapa, Ecatepec.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
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 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: Central Standard Time (CST) 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.
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
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
London Information
Time Zone
GMT - Greenwich Mean Time
+0:00 hours during Greenwich Mean Time.
Sunday, March 29, 2026 at 1:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 2:00 am local daylight time instead. Also called Spring Forward or Summer Time.Sunday, October 25, 2026 at 2:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.