Time zone converter

CET to JST

On Oct 23, 2026, Japan Standard Time is 7 hours ahead of Central European Time: 9:00 AM CEST is 4:00 PM JST. The gap changes during the year because of daylight saving time; the dates are below.

Central European Time
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Current time in Central European Time
Japan Standard Time
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Current time in Japan Standard Time
Pick a date and time to convert.

JST vs CET over the next 12 months

PeriodJST isExample
Oct 23, 2026 to Oct 25, 20267 hours ahead9:00 AM CEST = 4:00 PM JST
Oct 25, 2026 to Mar 28, 20278 hours ahead9:00 AM CET = 5:00 PM JST
Mar 28, 2027 onwards7 hours ahead9:00 AM CEST = 4:00 PM JST

CET to JST conversion table

Every hour of a weekday around Oct 23, 2026, in both zones.

Central European TimeJapan Standard Time
12:00 AM8:00 AM
1:00 AM9:00 AM
2:00 AM10:00 AM
3:00 AM11:00 AM
4:00 AM12:00 PM
5:00 AM1:00 PM
6:00 AM2:00 PM
7:00 AM3:00 PM
8:00 AM4:00 PM
9:00 AM5:00 PM
10:00 AM6:00 PM
11:00 AM7:00 PM
12:00 PM8:00 PM
1:00 PM9:00 PM
2:00 PM10:00 PM
3:00 PM11:00 PM
4:00 PM12:00 AM (next day)
5:00 PM1:00 AM (next day)
6:00 PM2:00 AM (next day)
7:00 PM3:00 AM (next day)
8:00 PM4:00 AM (next day)
9:00 PM5:00 AM (next day)
10:00 PM6:00 AM (next day)
11:00 PM7:00 AM (next day)

Best time for a meeting

There is no 9-to-5 overlap; within an 8 AM–8 PM day the zones overlap for 4 hours on a weekday: 8:00 AM–12:00 PM CET, which is 4:00 PM–8:00 PM JST.

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Daylight saving time

Central European Time (CET/CEST)

  • Oct 25, 2026: clocks go back 1 hour at 3:00 AM (UTC+2 → UTC+1)
  • Mar 28, 2027: clocks go forward 1 hour at 2:00 AM (UTC+1 → UTC+2)

Where these clocks are used

  • Central European Time (CET/CEST): Paris, Berlin, Madrid, Rome, Amsterdam, Stockholm. IANA zone Europe/Paris.
  • Japan Standard Time (JST): all of Japan. IANA zone Asia/Tokyo.

Questions

What time is it in JST when it is 9 AM CET?

On Oct 23, 2026, 9:00 AM CEST is 4:00 PM JST. On other dates the answer can shift by an hour because of daylight saving time; the table of periods on this page gives each one.

How many hours ahead of CET is JST?

It depends on the date. Oct 23, 2026 to Oct 25, 2026: JST is 7 hours ahead. Oct 25, 2026 to Mar 28, 2027: JST is 8 hours ahead. Mar 28, 2027 onwards: JST is 7 hours ahead.

Do CET and JST observe daylight saving time?

Central European Time switches to CEST (UTC+2) in summer and back to CET (UTC+1) in winter. Japan Standard Time stays on UTC+9 all year.

What is the best time for a meeting between CET and JST?

There is no 9-to-5 overlap; within an 8 AM–8 PM day the zones overlap for 4 hours on a weekday: 8:00 AM–12:00 PM CET, which is 4:00 PM–8:00 PM JST.

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Related conversions

Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.