UTC to JST Time Converter
Compare UTC and JST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both UTC and Tokyo.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| UTC (UTC) | JST (Tokyo) |
|---|---|
| 12:00 AM | 09:00 AM |
| 01:00 AM | 10:00 AM |
| 02:00 AM | 11:00 AM |
| 03:00 AM | 12:00 PM |
| 04:00 AM | 01:00 PM |
| 05:00 AM | 02:00 PM |
| 06:00 AM | 03:00 PM |
| 07:00 AM | 04:00 PM |
| 08:00 AM | 05:00 PM |
| 09:00 AM | 06:00 PM |
| 10:00 AM | 07:00 PM |
| 11:00 AM | 08:00 PM |
| 12:00 PM | 09:00 PM |
| 01:00 PM | 10:00 PM |
| 02:00 PM | 11:00 PM |
| 03:00 PM | 12:00 AM(Sun, Jul 26) |
| 04:00 PM | 01:00 AM(Sun, Jul 26) |
| 05:00 PM | 02:00 AM(Sun, Jul 26) |
| 06:00 PM | 03:00 AM(Sun, Jul 26) |
| 07:00 PM | 04:00 AM(Sun, Jul 26) |
| 08:00 PM | 05:00 AM(Sun, Jul 26) |
| 09:00 PM | 06:00 AM(Sun, Jul 26) |
| 10:00 PM | 07:00 AM(Sun, Jul 26) |
| 11:00 PM | 08:00 AM(Sun, Jul 26) |
Daylight saving time
Neither UTC nor Tokyo observes daylight saving time — the offset between UTC and JST is fixed year-round.
Working-hours overlap
Standard 9-to-5 hours in UTC and Tokyo do not overlap. Use an early or late slot on one side.
Frequently asked questions
What is the time difference between UTC and JST?+
JST (UTC+09:00) is currently 9 hours ahead of UTC (UTC+00:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does UTC or JST observe daylight saving time?+
Neither UTC nor Tokyo observes daylight saving time, so the offset stays fixed all year. Times on this page always reflect the current local rules.
What are the best meeting hours between UTC and Tokyo?+
Standard 9–5 working hours in UTC and Tokyo do not overlap. Pick an early or late slot for one side, or use the 24-hour table above to find a time that works.
How do I quickly convert UTC to JST?+
Use the live clocks and 24-hour reference table above. Pick any hour on the UTC row to see the matching JST time. The Event Planner also lets you pick a specific date and share it with attendees.