Cologne Time to JST Converter

JST is 8 hours ahead of CET. 9:00 AM CET = 5:00 PM JST.

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Cologne, Germany
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Japan Standard Time
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JST is 8 hours ahead of CET at the moment. To convert Cologne Time to JST, add 8 hours to the Cologne Time time: 9:00 AM CET = 5:00 PM JST.

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

Cologne Time to JST time conversion table

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

12 AM – 7 AM Cologne Time
Cologne TimeJST
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 AM – 3 PM Cologne Time
Cologne TimeJST
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 PM – 11 PM Cologne Time
Cologne TimeJST
4:00 PM12:00 AM+1
5:00 PM1:00 AM+1
6:00 PM2:00 AM+1
7:00 PM3:00 AM+1
8:00 PM4:00 AM+1
9:00 PM5:00 AM+1
10:00 PM6:00 AM+1
11:00 PM7:00 AM+1

Conversion table from Cologne Time to JST 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 JST, −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 Cologne Time to JST

Add 8 hours to the Cologne Time time to get JST.

Example: 9:00 AM CET = 5:00 PM JST.

Across midnight: 10:00 PM CET = 6:00 AM JST (next day). The date changes, so always check the day as well as the hour.

Time difference between Cologne Time and JST

The time difference between Cologne Time and JST 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: JST is 8 hours ahead of Cologne Time.
  • 29 Mar 2026 – 24 Oct 2026: JST is 7 hours ahead of Cologne Time.
  • 25 Oct 2026 – 31 Dec 2026: JST is 8 hours ahead of Cologne Time.

Cologne Time and JST during daylight saving time

  • Cologne 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).
  • JST does not observe daylight saving time; it stays on UTC+9 all year.

Best time for a meeting between Cologne Time and JST

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

Plan a meeting across more time zones.

Cologne Time to JST FAQ

What is the time difference between Cologne Time and JST?

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

What is 9 AM Cologne Time in JST?

9:00 AM CET is 5:00 PM JST.

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

12:00 PM CET is 8:00 PM JST.

Is JST ahead of or behind Cologne Time?

JST is 8 hours ahead of CET, so it is later in JST than in Cologne Time.

Does Cologne Time change for daylight saving time?

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

Does JST change for daylight saving time?

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

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

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

Related conversions

Convert JST to Cologne Time

Convert Cologne Time to other time zones

Convert other time zones to JST

Learn more

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