JST to Dortmund Time Converter

CET is 8 hours behind JST. 9:00 AM JST = 1:00 AM CET.

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JSTfrom
Japan Standard Time
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Dortmund, Germany
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CET is 8 hours behind JST at the moment. To convert JST to Dortmund Time, subtract 8 hours from the JST time: 9:00 AM JST = 1:00 AM CET.

JST (Japan Time) is used in Japan. Dortmund Time (Dortmund time) is used in Dortmund, Germany.

JST to Dortmund Time time conversion table

JST to Dortmund Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

12 AM – 7 AM JST
JSTDortmund Time
12:00 AM4:00 PM−1
1:00 AM5:00 PM−1
2:00 AM6:00 PM−1
3:00 AM7:00 PM−1
4:00 AM8:00 PM−1
5:00 AM9:00 PM−1
6:00 AM10:00 PM−1
7:00 AM11:00 PM−1
8 AM – 3 PM JST
JSTDortmund Time
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 PM – 11 PM JST
JSTDortmund Time
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

Conversion table from JST to Dortmund Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Dortmund Time, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert JST to Dortmund Time

Subtract 8 hours from the JST time to get Dortmund Time.

Example: 9:00 AM JST = 1:00 AM CET.

Across midnight: 1:00 AM JST = 5:00 PM CET (previous day). The date changes, so always check the day as well as the hour.

Time difference between JST and Dortmund Time

The time difference between JST and Dortmund Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 28 Mar 2026: Dortmund Time is 8 hours behind of JST.
  • 29 Mar 2026 – 24 Oct 2026: Dortmund Time is 7 hours behind of JST.
  • 25 Oct 2026 – 31 Dec 2026: Dortmund Time is 8 hours behind of JST.

JST and Dortmund Time during daylight saving time

  • JST does not observe daylight saving time; it stays on UTC+9 all year.
  • Dortmund Time next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).

Best time for a meeting between JST and Dortmund Time

JST and Dortmund Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM JST, which is 7:00 AM CET.

Plan a meeting across more time zones.

JST to Dortmund Time FAQ

What is the time difference between JST and Dortmund Time?

Right now CET is 8 hours behind JST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM JST in Dortmund Time?

9:00 AM JST is 1:00 AM CET.

What is 12 PM (noon) JST in Dortmund Time?

12:00 PM JST is 4:00 AM CET.

Is Dortmund Time ahead of or behind JST?

CET is 8 hours behind JST, so it is earlier in Dortmund Time than in JST.

Does JST change for daylight saving time?

No. JST stays on the same offset all year, so conversions never shift for daylight saving time.

Does Dortmund Time change for daylight saving time?

Yes. Dortmund Time next changes on 28 Mar 2027, when clocks go forward one hour from CET to CEST.

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

JST and Dortmund Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM JST, which is 7:00 AM CET.

Related conversions

Convert Dortmund Time to JST

Convert JST to other time zones

Convert other time zones to Dortmund Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.