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CET to JST time converter
Japan is 7 hours ahead of Central Europe for 210 days of 2026, and 8 hours ahead of for the other 155 days, because daylight saving changes the gap.
CET to JST conversion table
Local time in Central Europe and the matching time in Japan on two reference dates, one in winter and one in summer for the northern hemisphere.
| Central Europe (CET) | Japan on 15 January | Japan on 15 July |
|---|---|---|
| 08:00 | 16:00 | 15:00 |
| 09:00 | 17:00 | 16:00 |
| 10:00 | 18:00 | 17:00 |
| 12:00 | 20:00 | 19:00 |
| 15:00 | 23:00 | 22:00 |
| 17:00 | 01:00 (+1 day) | 00:00 (+1 day) |
| 18:00 | 02:00 (+1 day) | 01:00 (+1 day) |
| 21:00 | 05:00 (+1 day) | 04:00 (+1 day) |
Best meeting times between Central Europe and Japan
- January: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 CET = 15:00-21:00 JST.
- July: Inside both working days (09:00-17:00): 09:00-10:00 CET = 16:00-17:00 JST.
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between CET and JST
- Central Europe moves its clocks forward on 29 March and back on 25 October in 2026.
- Japan does not change its clocks in 2026.
- The gap is 7 hours for 210 days and 8 hours for 155 days of 2026.
About the two zones
Central Europe. Central European Time is UTC+1 in winter and CEST (UTC+2) in summer. The EU changes clocks on the last Sundays of March and October, a few weeks before and after the US.
Japan. Japan Standard Time is UTC+9 all year with no daylight saving.
Frequently asked questions
What time is 9 AM CET in JST?
On 15 January, 09:00 in Central Europe is 17:00 in Japan. On 15 July it is 16:00.
What is the time difference between Central Europe and Japan?
Japan is 7 hours ahead of Central Europe for 210 days of 2026, and 8 hours ahead of for the other 155 days, because daylight saving changes the gap.
Does the time difference between CET and JST change during the year?
Yes. Central Europe changes its clocks and Japan does not, so the gap moves between 7 and 8 hours. Always convert with the actual date.
When is the best time for a meeting between Central Europe and Japan?
No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-13:00 CET = 15:00-21:00 JST. In July: Inside both working days (09:00-17:00): 09:00-10:00 CET = 16:00-17:00 JST.
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.