JST to CET Converter
CET is 7 hours behind JST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.
CET to JST insteadTime difference between JST and CET
CET is 7 hours behind JST for most of the year.
- 2026: CET is 8 hours behind JST from Jan 1 – Mar 28, 2026, Oct 25 – Dec 31, 2026.
- 2027: CET is 8 hours behind JST from Jan 1 – Mar 27, 2027, Oct 31 – Dec 31, 2027.
JST to CET conversion table
| JST | CETMost of the year | CETJan 1 – Mar 28, 2026, Oct 25 – Dec 31, 2026 |
|---|---|---|
| 12 AM | 5 PM−1 day | 4 PM−1 day |
| 1 AM | 6 PM−1 day | 5 PM−1 day |
| 2 AM | 7 PM−1 day | 6 PM−1 day |
| 3 AM | 8 PM−1 day | 7 PM−1 day |
| 4 AM | 9 PM−1 day | 8 PM−1 day |
| 5 AM | 10 PM−1 day | 9 PM−1 day |
| 6 AM | 11 PM−1 day | 10 PM−1 day |
| 7 AM | 12 AM | 11 PM−1 day |
| 8 AM | 1 AM | 12 AM |
| 9 AM | 2 AM | 1 AM |
| 10 AM | 3 AM | 2 AM |
| 11 AM | 4 AM | 3 AM |
| 12 PM | 5 AM | 4 AM |
| 1 PM | 6 AM | 5 AM |
| 2 PM | 7 AM | 6 AM |
| 3 PM | 8 AM | 7 AM |
| 4 PM | 9 AM | 8 AM |
| 5 PM | 10 AM | 9 AM |
| 6 PM | 11 AM | 10 AM |
| 7 PM | 12 PM | 11 AM |
| 8 PM | 1 PM | 12 PM |
| 9 PM | 2 PM | 1 PM |
| 10 PM | 3 PM | 2 PM |
| 11 PM | 4 PM | 3 PM |
Best time to meet
Working hours (9 AM – 5 PM) overlap for 1 hour: 4 PM – 5 PM JST (9 AM – 10 AM CET). That window is the best time for calls and meetings.
Frequently asked questions
What time is it in CET when it's 9 AM in JST?
2 AM for most of the year. CET is 7 hours behind JST.
How many hours is CET behind JST?
Usually 7 hours. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: CET is 8 hours behind JST from Jan 1 – Mar 28, 2026, Oct 25 – Dec 31, 2026. 2027: CET is 8 hours behind JST from Jan 1 – Mar 27, 2027, Oct 31 – Dec 31, 2027.
Does JST use daylight saving time?
No. Japan Standard Time stays at UTC+9 all year.
Does CET use daylight saving time?
Yes. Central European Time is UTC+1 (CET) in January and UTC+2 (CEST) in July. Mar 29, 2026: clocks go forward to UTC+2; Oct 25, 2026: clocks go back to UTC+1.
When is the best time to schedule a meeting between JST and CET?
Working hours (9 AM – 5 PM) overlap for 1 hour: 4 PM – 5 PM JST (9 AM – 10 AM CET). That window is the best time for calls and meetings.