Results
6:02 PM GMT in JST
Japan Standard Time · next day · right now JST is 9 hours ahead of GMT
Times follow UTC / GMT for GMT and Tokyo for JST, using the IANA time zone database.
GMT to JST time difference
JST is always 9 hours ahead of GMT.
Greenwich Mean Time does not use daylight saving time. Japan Standard Time does not use daylight saving time.
GMT to JST conversion table
Every hour on 2026-09-28. Highlighted rows fall inside 9 AM–5 PM in both zones.
| GMT (Greenwich Mean Time) | JST (Japan Standard Time) |
|---|---|
| 12:00 AM | 9:00 AM |
| 1:00 AM | 10:00 AM |
| 2:00 AM | 11:00 AM |
| 3:00 AM | 12:00 PM |
| 4:00 AM | 1:00 PM |
| 5:00 AM | 2:00 PM |
| 6:00 AM | 3:00 PM |
| 7:00 AM | 4:00 PM |
| 8:00 AM | 5:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 11:00 AM | 8:00 PM |
| 12:00 PM | 9:00 PM |
| 1:00 PM | 10:00 PM |
| 2:00 PM | 11:00 PM |
| 3:00 PM | 12:00 AM · next day |
| 4:00 PM | 1:00 AM · next day |
| 5:00 PM | 2:00 AM · next day |
| 6:00 PM | 3:00 AM · next day |
| 7:00 PM | 4:00 AM · next day |
| 8:00 PM | 5:00 AM · next day |
| 9:00 PM | 6:00 AM · next day |
| 10:00 PM | 7:00 AM · next day |
| 11:00 PM | 8:00 AM · next day |
Working hours overlap
On 2026-09-28, 9 AM–5 PM workdays in GMT and JST don't overlap. Try an early start in one zone and a late finish in the other, or use the meeting planner.
Convert GMT to other time zones
How to use
Follow these steps to get a result
Pick a date and a time in Greenwich Mean Time (GMT).
Read the matching JST time, including whether it falls on the next or previous day.
Scan the 24-hour table to see every hour at once, with shared working hours highlighted.
Features
What this tool includes
Live clocks for both time zones
Daylight saving time handled automatically
24-hour conversion table
Working-hours overlap
FAQ
Common questions about this tool
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