Results
3:02 AM JST in GMT
Greenwich Mean Time · previous day · right now GMT is 9 hours behind JST
Times follow Tokyo for JST and UTC / GMT for GMT, using the IANA time zone database.
JST to GMT time difference
GMT is always 9 hours behind JST.
Japan Standard Time does not use daylight saving time. Greenwich Mean Time does not use daylight saving time.
JST to GMT conversion table
Every hour on 2026-09-29. Highlighted rows fall inside 9 AM–5 PM in both zones.
| JST (Japan Standard Time) | GMT (Greenwich Mean Time) |
|---|---|
| 12:00 AM | 3:00 PM · previous day |
| 1:00 AM | 4:00 PM · previous day |
| 2:00 AM | 5:00 PM · previous day |
| 3:00 AM | 6:00 PM · previous day |
| 4:00 AM | 7:00 PM · previous day |
| 5:00 AM | 8:00 PM · previous day |
| 6:00 AM | 9:00 PM · previous day |
| 7:00 AM | 10:00 PM · previous day |
| 8:00 AM | 11:00 PM · previous day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Working hours overlap
On 2026-09-29, 9 AM–5 PM workdays in JST and GMT don't overlap. Try an early start in one zone and a late finish in the other, or use the meeting planner.
Convert JST to other time zones
How to use
Follow these steps to get a result
Pick a date and a time in Japan Standard Time (JST).
Read the matching GMT 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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