CET to JST Time Converter
Compare CET and JST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both Paris and Tokyo.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| CET (Paris) | JST (Tokyo) |
|---|---|
| 12:00 AM | 07:00 AM |
| 01:00 AM | 08:00 AM |
| 02:00 AM | 09:00 AM |
| 03:00 AM | 10:00 AM |
| 04:00 AM | 11:00 AM |
| 05:00 AM | 12:00 PM |
| 06:00 AM | 01:00 PM |
| 07:00 AM | 02:00 PM |
| 08:00 AM | 03:00 PM |
| 09:00 AM | 04:00 PM |
| 10:00 AM | 05:00 PM |
| 11:00 AM | 06:00 PM |
| 12:00 PM | 07:00 PM |
| 01:00 PM | 08:00 PM |
| 02:00 PM | 09:00 PM |
| 03:00 PM | 10:00 PM |
| 04:00 PM | 11:00 PM |
| 05:00 PM | 12:00 AM(Sun, Jul 26) |
| 06:00 PM | 01:00 AM(Sun, Jul 26) |
| 07:00 PM | 02:00 AM(Sun, Jul 26) |
| 08:00 PM | 03:00 AM(Sun, Jul 26) |
| 09:00 PM | 04:00 AM(Sun, Jul 26) |
| 10:00 PM | 05:00 AM(Sun, Jul 26) |
| 11:00 PM | 06:00 AM(Sun, Jul 26) |
Daylight saving time
Paris observes daylight saving time; Tokyo does not. Expect a one-hour swing when Paris starts or ends DST.
Working-hours overlap
9 AM–10 AM CET (4 PM–5 PM JST) — the shared 9-to-5 window for meetings.
Frequently asked questions
What is the time difference between CET and JST?+
JST (UTC+09:00) is currently 7 hours ahead of CET (UTC+02:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does CET or JST observe daylight saving time?+
Paris observes daylight saving time; Tokyo does not, so the gap changes when Paris springs forward or falls back. Times on this page always reflect the current local rules.
What are the best meeting hours between Paris and Tokyo?+
Standard 9–5 working hours in Paris and Tokyo overlap from 9 AM to 10 AM CET (4 PM–5 PM JST). Schedule calls inside this window to keep both sides in normal business hours.
How do I quickly convert CET to JST?+
Use the live clocks and 24-hour reference table above. Pick any hour on the CET row to see the matching JST time. The Event Planner also lets you pick a specific date and share it with attendees.