PST to UTC to JST to GMT
Time Difference
Pacific Daylight Time is 7 hours behind Universal Time Coordinated and 16 hours behind Japan Standard Time and 7 hours behind Greenwich Mean Time
9:00 pm21:00 in PDT is 4:00 am04:00 in UTC and is 1:00 pm13:00 in JST and is 4:00 am04:00 in GMT
PST to UTC call time
Best time for a conference call or a meeting is between 8am-10am in PST which corresponds to 4pm-6pm in UTC
PST to JST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in PST which corresponds to 9:30pm-11:30pm in JST
PST to GMT call time
Best time for a conference call or a meeting is between 8am-10am in PST which corresponds to 4pm-6pm in GMT
9:00 pm21:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
4:00 am04:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
1:00 pm13:00 Japan Standard Time (JST). Offset UTC +9:00 hours
4:00 am04:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
9:00 pm21:00 PDT / 4:00 am04:00 UTC / 1:00 pm13:00 JST / 4:00 am04:00 GMT
| PDT | UTC | JST | GMT |
|---|---|---|---|
| 12am (midnight) | 7am | 4pm | 7am |
| 1am | 8am | 5pm | 8am |
| 2am | 9am | 6pm | 9am |
| 3am | 10am | 7pm | 10am |
| 4am | 11am | 8pm | 11am |
| 5am | 12pm (noon) | 9pm | 12pm (noon) |
| 6am | 1pm | 10pm | 1pm |
| 7am | 2pm | 11pm | 2pm |
| 8am | 3pm | 12am (midnight) | 3pm |
| 9am | 4pm | 1am | 4pm |
| 10am | 5pm | 2am | 5pm |
| 11am | 6pm | 3am | 6pm |
| 12pm (noon) | 7pm | 4am | 7pm |
| 1pm | 8pm | 5am | 8pm |
| 2pm | 9pm | 6am | 9pm |
| 3pm | 10pm | 7am | 10pm |
| 4pm | 11pm | 8am | 11pm |
| 5pm | 12am (midnight) | 9am | 12am (midnight) |
| 6pm | 1am | 10am | 1am |
| 7pm | 2am | 11am | 2am |
| 8pm | 3am | 12pm (noon) | 3am |
| 9pm | 4am | 1pm | 4am |
| 10pm | 5am | 2pm | 5am |
| 11pm | 6am | 3pm | 6am |
| 0:00 | 7:00 | 16:00 | 7:00 |
| 1:00 | 8:00 | 17:00 | 8:00 |
| 2:00 | 9:00 | 18:00 | 9:00 |
| 3:00 | 10:00 | 19:00 | 10:00 |
| 4:00 | 11:00 | 20:00 | 11:00 |
| 5:00 | 12:00 | 21:00 | 12:00 |
| 6:00 | 13:00 | 22:00 | 13:00 |
| 7:00 | 14:00 | 23:00 | 14:00 |
| 8:00 | 15:00 | 0:00 | 15:00 |
| 9:00 | 16:00 | 1:00 | 16:00 |
| 10:00 | 17:00 | 2:00 | 17:00 |
| 11:00 | 18:00 | 3:00 | 18:00 |
| 12:00 | 19:00 | 4:00 | 19:00 |
| 13:00 | 20:00 | 5:00 | 20:00 |
| 14:00 | 21:00 | 6:00 | 21:00 |
| 15:00 | 22:00 | 7:00 | 22:00 |
| 16:00 | 23:00 | 8:00 | 23:00 |
| 17:00 | 0:00 | 9:00 | 0:00 |
| 18:00 | 1:00 | 10:00 | 1:00 |
| 19:00 | 2:00 | 11:00 | 2:00 |
| 20:00 | 3:00 | 12:00 | 3:00 |
| 21:00 | 4:00 | 13:00 | 4:00 |
| 22:00 | 5:00 | 14:00 | 5:00 |
| 23:00 | 6:00 | 15:00 | 6:00 |
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 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 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 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 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 Summer Time - UTC -3
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
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 zero hour and zero minutes time differences of the zero meridian.
- 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
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Japan
Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo
Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same
JST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
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.
GMT 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 zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT+06:00 - UTC +6
- GMT - UTC +0
- GMT+11:00 - UTC +11
- 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