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PT to JST time converter
Japan is 16 hours ahead of US Pacific for 238 days of 2026, and 17 hours ahead of for the other 127 days, because daylight saving changes the gap.
PT to JST conversion table
Local time in US Pacific and the matching time in Japan on two reference dates, one in winter and one in summer for the northern hemisphere.
| US Pacific (PT) | Japan on 15 January | Japan on 15 July |
|---|---|---|
| 08:00 | 01:00 (+1 day) | 00:00 (+1 day) |
| 09:00 | 02:00 (+1 day) | 01:00 (+1 day) |
| 10:00 | 03:00 (+1 day) | 02:00 (+1 day) |
| 12:00 | 05:00 (+1 day) | 04:00 (+1 day) |
| 15:00 | 08:00 (+1 day) | 07:00 (+1 day) |
| 17:00 | 10:00 (+1 day) | 09:00 (+1 day) |
| 18:00 | 11:00 (+1 day) | 10:00 (+1 day) |
| 21:00 | 14:00 (+1 day) | 13:00 (+1 day) |
Best meeting times between US Pacific and Japan
- January: Inside both working days (09:00-17:00): 16:00-17:00 PT = 09:00-10:00 JST (+1 day).
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 15:00-21:00 PT = 07:00-13:00 JST (+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 PT and JST
- US Pacific moves its clocks forward on 8 March and back on 1 November in 2026.
- Japan does not change its clocks in 2026.
- The gap is 16 hours for 238 days and 17 hours for 127 days of 2026.
About the two zones
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.
Japan. Japan Standard Time is UTC+9 all year with no daylight saving.
Frequently asked questions
What time is 9 AM PT in JST?
On 15 January, 09:00 in US Pacific is 02:00 (+1 day) in Japan. On 15 July it is 01:00 (+1 day).
What is the time difference between US Pacific and Japan?
Japan is 16 hours ahead of US Pacific for 238 days of 2026, and 17 hours ahead of for the other 127 days, because daylight saving changes the gap.
Does the time difference between PT and JST 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 US Pacific and Japan?
Inside both working days (09:00-17:00): 16:00-17:00 PT = 09:00-10:00 JST (+1 day). In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 15:00-21:00 PT = 07:00-13:00 JST (+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.