JST to PST Converter
Pacific Time is on daylight saving time: PDT (UTC−7) until Sun, Nov 1.
Quick answers
Selected conversion
9:00 pm21:00 JST (UTC+9), Oct 8, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 8, 2026
JST is 16 hours ahead of PDT.
JST and PST examples
These examples always use JST (UTC+9) and PST (UTC-8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
JST is 17 hours ahead of PST.
PST uses UTC-8 during standard time. For Pacific Time that follows daylight saving time, use JST to PT. For daylight-time examples, use JST to PDT.
How the time difference changes
For most of the year, JST is 16 hours ahead of PDT. At other times of the year, JST is 17 hours ahead of PST.
For most of the year, working hours of 9:00 am to 5:00 pm in JST correspond to 5:00 pm (previous day) to 1:00 am in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in JST correspond to 4:00 pm (previous day) to 12:00 am in PST.For most of the year, working hours of 09:00 to 17:00 in JST correspond to 17:00 (previous day) to 01:00 in PDT. At other times of the year, working hours of 09:00 to 17:00 in JST correspond to 16:00 (previous day) to 00:00 in PST.
Compare JST time with PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Japan Standard Time is 16 hours ahead of Pacific Daylight Time.
9:00 pm21:00 in JST is 5:00 am05:00 in PDT
JST to PDT call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in JST which corresponds to 4:30pm-5:30pm16:30-17:30 in PDT (previous day)
9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
9:00 pm21:00 JST / 5:00 am05:00 PDT
| JST | PDT |
|---|---|
| 12:00am | 8:00am |
| 1:00am | 9:00am |
| 2:00am | 10:00am |
| 3:00am | 11:00am |
| 4:00am | 12:00pm |
| 5:00am | 1:00pm |
| 6:00am | 2:00pm |
| 7:00am | 3:00pm |
| 8:00am | 4:00pm |
| 9:00am | 5:00pm |
| 10:00am | 6:00pm |
| 11:00am | 7:00pm |
| 12:00pm | 8:00pm |
| 1:00pm | 9:00pm |
| 2:00pm | 10:00pm |
| 3:00pm | 11:00pm |
| 4:00pm | 12:00am |
| 5:00pm | 1:00am |
| 6:00pm | 2:00am |
| 7:00pm | 3:00am |
| 8:00pm | 4:00am |
| 9:00pm | 5:00am |
| 10:00pm | 6:00am |
| 11:00pm | 7:00am |
| 00:00 | 08:00 |
| 01:00 | 09:00 |
| 02:00 | 10:00 |
| 03:00 | 11:00 |
| 04:00 | 12:00 |
| 05:00 | 13:00 |
| 06:00 | 14:00 |
| 07:00 | 15:00 |
| 08:00 | 16:00 |
| 09:00 | 17:00 |
| 10:00 | 18:00 |
| 11:00 | 19:00 |
| 12:00 | 20:00 |
| 13:00 | 21:00 |
| 14:00 | 22:00 |
| 15:00 | 23:00 |
| 16:00 | 00:00 |
| 17:00 | 01:00 |
| 18:00 | 02:00 |
| 19:00 | 03:00 |
| 20:00 | 04:00 |
| 21:00 | 05:00 |
| 22:00 | 06:00 |
| 23:00 | 07:00 |
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Japan
Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 9.733 million people. Other major cities in this time zone include Yokohama, Osaka shi, Nagoya shi, Sapporo.
Daylight Saving: Clocks in Japan Standard Time (JST) do not change for daylight saving time, so JST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
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 an offset of nine hours 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
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 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, 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).
End: Pacific Standard Time (PST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the 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 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