JST to EST to PST
Time Difference
Japan Standard Time is 14 hours ahead of Eastern Standard Time and 17 hours ahead of Pacific Standard Time
9:30 pm21:30 in JST is 7:30 am07:30 in EST and is 4:30 am04:30 in PST
JST to EST call time
Best time for a conference call or a meeting is between 8pm-10pm in JST which corresponds to 6am-8am in EST
JST to PST call time
Best time for a conference call or a meeting is between 9:30pm-11:30pm in JST which corresponds to 4:30am-6:30am in PST
9:30 pm21:30 Japan Standard Time (JST). Offset UTC +9:00 hours
7:30 am07:30 Eastern Standard Time (EST). Offset UTC -5:00 hours
4:30 am04:30 Pacific Standard Time (PST). Offset UTC -8:00 hours
9:30 pm21:30 JST / 7:30 am07:30 EST / 4:30 am04:30 PST
| JST | EST | PST |
|---|---|---|
| 12am (midnight) | 10am | 7am |
| 1am | 11am | 8am |
| 2am | 12pm (noon) | 9am |
| 3am | 1pm | 10am |
| 4am | 2pm | 11am |
| 5am | 3pm | 12pm (noon) |
| 6am | 4pm | 1pm |
| 7am | 5pm | 2pm |
| 8am | 6pm | 3pm |
| 9am | 7pm | 4pm |
| 10am | 8pm | 5pm |
| 11am | 9pm | 6pm |
| 12pm (noon) | 10pm | 7pm |
| 1pm | 11pm | 8pm |
| 2pm | 12am (midnight) | 9pm |
| 3pm | 1am | 10pm |
| 4pm | 2am | 11pm |
| 5pm | 3am | 12am (midnight) |
| 6pm | 4am | 1am |
| 7pm | 5am | 2am |
| 8pm | 6am | 3am |
| 9pm | 7am | 4am |
| 10pm | 8am | 5am |
| 11pm | 9am | 6am |
| 0:00 | 10:00 | 7:00 |
| 1:00 | 11:00 | 8:00 |
| 2:00 | 12:00 | 9:00 |
| 3:00 | 13:00 | 10:00 |
| 4:00 | 14:00 | 11:00 |
| 5:00 | 15:00 | 12:00 |
| 6:00 | 16:00 | 13:00 |
| 7:00 | 17:00 | 14:00 |
| 8:00 | 18:00 | 15:00 |
| 9:00 | 19:00 | 16:00 |
| 10:00 | 20:00 | 17:00 |
| 11:00 | 21:00 | 18:00 |
| 12:00 | 22:00 | 19:00 |
| 13:00 | 23:00 | 20:00 |
| 14:00 | 0:00 | 21:00 |
| 15:00 | 1:00 | 22:00 |
| 16:00 | 2:00 | 23:00 |
| 17:00 | 3:00 | 0:00 |
| 18:00 | 4:00 | 1:00 |
| 19:00 | 5:00 | 2:00 |
| 20:00 | 6:00 | 3:00 |
| 21:00 | 7:00 | 4:00 |
| 22:00 | 8:00 | 5:00 |
| 23:00 | 9:00 | 6:00 |
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
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 timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect 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 the on 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 starts annually the on 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 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 timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect 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 the on 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 starts annually the on 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 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 -3
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone