JST to CET Converter
Convert time between Japan Standard Time (JST) and Central European Time (CET/CEST).
Convert a specific time
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
Time Difference
Japan Standard Time is 7 hours ahead of Central European Time right now.
- Now until Oct 25, 2026: Japan Standard Time is 7 hours ahead of Central European Time (JST → CEST).
- Oct 25, 2026 – Mar 28, 2027: Japan Standard Time is 8 hours ahead of Central European Time (JST → CET).
- From Mar 28, 2027: Japan Standard Time is 7 hours ahead of Central European Time (JST → CEST).
Central European Time is on CEST right now, not CET
Best time to call
Convenient overlapping hours on Saturday, September 19, 2026.
| JST (Japan Standard Time) | CEST (Central European Time) |
|---|---|
| 4:00 PM | 9:00 AM |
These hours fall within 9 AM–5 PM in both places.
Convert another time zone Plan a meeting across JST and CETJST to CET conversion table
For Sunday, September 20, 2026 in Japan Standard Time.
| JST | CEST |
|---|---|
| 12:00 AM | 5:00 PM(previous day) |
| 1:00 AM | 6:00 PM(previous day) |
| 2:00 AM | 7:00 PM(previous day) |
| 3:00 AM | 8:00 PM(previous day) |
| 4:00 AM | 9:00 PM(previous day) |
| 5:00 AM | 10:00 PM(previous day) |
| 6:00 AM | 11:00 PM(previous day) |
| 7:00 AM | 12:00 AM |
| 8:00 AM | 1:00 AM |
| 9:00 AM | 2:00 AM |
| 10:00 AM | 3:00 AM |
| 11:00 AM | 4:00 AM |
| 12:00 PM | 5:00 AM |
| 1:00 PM | 6:00 AM |
| 2:00 PM | 7:00 AM |
| 3:00 PM | 8:00 AM |
| 4:00 PM | 9:00 AM |
| 5:00 PM | 10:00 AM |
| 6:00 PM | 11:00 AM |
| 7:00 PM | 12:00 PM |
| 8:00 PM | 1:00 PM |
| 9:00 PM | 2:00 PM |
| 10:00 PM | 3:00 PM |
| 11:00 PM | 4:00 PM |
About these time zones
Japan Standard Time (JST)
Japan Standard Time (JST) is UTC+9 all year across the whole of Japan. Japan has not observed daylight saving time since 1951. JST shares its offset with Korea Standard Time.
Central European Time (CET)
Central European Time (CET) is UTC+1, the standard time of most of the European Union from Spain to Poland. From the last Sunday in March to the last Sunday in October those countries use Central European Summer Time (CEST, UTC+2). Algeria and Tunisia stay on UTC+1 all year.
JST to CET FAQs
What time is it in CET when it is 9 AM JST?
On Sunday, September 20, 2026, 9:00 AM JST is 2:00 AM CEST in Central European Time.
How many hours ahead is JST from CET?
It depends on the time of year because of daylight saving time. Now until Oct 25, 2026: Japan Standard Time is 7 hours ahead of Central European Time (JST → CEST). Oct 25, 2026 – Mar 28, 2027: Japan Standard Time is 8 hours ahead of Central European Time (JST → CET).
Should I use CET or CEST?
Central European Time is on CEST (UTC+2) on Saturday, September 19, 2026. Many people write “CET” all year, but strictly CET means Central European Time (always UTC+1). This converter follows the real local time in Central European Time, including daylight saving time.
What is the best time for a call between JST and CET?
On Saturday, September 19, 2026, good options are 4:00 PM JST (9:00 AM CEST). These fall within normal 9 AM–5 PM working hours in both places.
Does JST change for daylight saving time?
No. JST stays at UTC+9 all year.
Does CET change for daylight saving time?
The region changes: Central European Time switches between CET and CEST, so conversions depend on the date. CET itself always means UTC+1.