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JST to PT time converter
US Pacific is 16 hours behind Japan for 238 days of 2026, and 17 hours behind for the other 127 days, because daylight saving changes the gap.
JST to PT conversion table
Local time in Japan and the matching time in US Pacific on two reference dates, one in winter and one in summer for the northern hemisphere.
| Japan (JST) | US Pacific on 15 January | US Pacific on 15 July |
|---|---|---|
| 08:00 | 15:00 (-1 day) | 16:00 (-1 day) |
| 09:00 | 16:00 (-1 day) | 17:00 (-1 day) |
| 10:00 | 17:00 (-1 day) | 18:00 (-1 day) |
| 12:00 | 19:00 (-1 day) | 20:00 (-1 day) |
| 15:00 | 22:00 (-1 day) | 23:00 (-1 day) |
| 17:00 | 00:00 | 01:00 |
| 18:00 | 01:00 | 02:00 |
| 21:00 | 04:00 | 05:00 |
Best meeting times between Japan and US Pacific
- January: Inside both working days (09:00-17:00): 09:00-10:00 JST = 16:00-17:00 PT (-1 day).
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 JST = 15:00-21:00 PT (-1 day).
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between JST and PT
- Japan does not change its clocks in 2026.
- US Pacific moves its clocks forward on 8 March and back on 1 November in 2026.
- The gap is 16 hours for 238 days and 17 hours for 127 days of 2026.
About the two zones
Japan. Japan Standard Time is UTC+9 all year with no daylight saving.
US Pacific. US Pacific Time is UTC-8 in winter (PST) and UTC-7 in summer (PDT). Clocks change on the second Sunday of March and the first Sunday of November.
Frequently asked questions
What time is 9 AM JST in PT?
On 15 January, 09:00 in Japan is 16:00 (-1 day) in US Pacific. On 15 July it is 17:00 (-1 day).
What is the time difference between Japan and US Pacific?
US Pacific is 16 hours behind Japan for 238 days of 2026, and 17 hours behind for the other 127 days, because daylight saving changes the gap.
Does the time difference between JST and PT change during the year?
Yes. US Pacific changes its clocks and Japan does not, so the gap moves between 16 and 17 hours. Always convert with the actual date.
When is the best time for a meeting between Japan and US Pacific?
Inside both working days (09:00-17:00): 09:00-10:00 JST = 16:00-17:00 PT (-1 day). In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 JST = 15:00-21:00 PT (-1 day).
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.