PST to EST to MST
Compare PST time with EST and MST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pacific Standard Time is 3 hours behind Eastern Standard Time and 1 hour behind Mountain Standard Time
4:00 am04:00 in PST is 7:00 am07:00 in EST and is 5:00 am05:00 in MST
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 MST call time
Best time for a conference call or a meeting is between 9am-4pm in PST which corresponds to 10am-5pm in MST
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
4:00 am04:00 PST / 7:00 am07:00 EST / 5:00 am05:00 MST
| PST | EST | MST |
|---|---|---|
| 12am (midnight) | 3am | 1am |
| 1am | 4am | 2am |
| 2am | 5am | 3am |
| 3am | 6am | 4am |
| 4am | 7am | 5am |
| 5am | 8am | 6am |
| 6am | 9am | 7am |
| 7am | 10am | 8am |
| 8am | 11am | 9am |
| 9am | 12pm (noon) | 10am |
| 10am | 1pm | 11am |
| 11am | 2pm | 12pm (noon) |
| 12pm (noon) | 3pm | 1pm |
| 1pm | 4pm | 2pm |
| 2pm | 5pm | 3pm |
| 3pm | 6pm | 4pm |
| 4pm | 7pm | 5pm |
| 5pm | 8pm | 6pm |
| 6pm | 9pm | 7pm |
| 7pm | 10pm | 8pm |
| 8pm | 11pm | 9pm |
| 9pm | 12am (midnight) | 10pm |
| 10pm | 1am | 11pm |
| 11pm | 2am | 12am (midnight) |
| 00:00 | 03:00 | 01:00 |
| 01:00 | 04:00 | 02:00 |
| 02:00 | 05:00 | 03:00 |
| 03:00 | 06:00 | 04:00 |
| 04:00 | 07:00 | 05:00 |
| 05:00 | 08:00 | 06:00 |
| 06:00 | 09:00 | 07:00 |
| 07:00 | 10:00 | 08:00 |
| 08:00 | 11:00 | 09:00 |
| 09:00 | 12:00 | 10:00 |
| 10:00 | 13:00 | 11:00 |
| 11:00 | 14:00 | 12:00 |
| 12:00 | 15:00 | 13:00 |
| 13:00 | 16:00 | 14:00 |
| 14:00 | 17:00 | 15:00 |
| 15:00 | 18:00 | 16:00 |
| 16:00 | 19:00 | 17:00 |
| 17:00 | 20:00 | 18:00 |
| 18:00 | 21:00 | 19:00 |
| 19:00 | 22:00 | 20:00 |
| 20:00 | 23:00 | 21:00 |
| 21:00 | 00:00 | 22:00 |
| 22:00 | 01:00 | 23:00 |
| 23:00 | 02:00 | 00:00 |
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
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
Mountain Standard Time
Offset: MST 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 MST time zone is Phoenix in the United States, with about 1.446 million people. Other major cities in this time zone include Calgary, Edmonton, El Paso, Denver.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
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 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: Mountain Standard Time (MST) 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.
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