Time zone converter

JST to CET

On Oct 23, 2026, Central European Time is 7 hours behind Japan Standard Time: 9:00 AM JST is 2:00 AM CEST. The gap changes during the year because of daylight saving time; the dates are below.

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

CET vs JST over the next 12 months

PeriodCET isExample
Oct 23, 2026 to Oct 25, 20267 hours behind9:00 AM JST = 2:00 AM CEST
Oct 25, 2026 to Mar 28, 20278 hours behind9:00 AM JST = 1:00 AM CET
Mar 28, 2027 onwards7 hours behind9:00 AM JST = 2:00 AM CEST

JST to CET conversion table

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

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

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: 4:00 PM–8:00 PM JST, which is 8:00 AM–12:00 PM CET.

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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

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

Questions

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

On Oct 23, 2026, 9:00 AM JST is 2:00 AM CEST. 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 behind JST is CET?

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

Do JST and CET observe daylight saving time?

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

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

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

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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.