When it is 9:00 AM JST, it is 1:00 AM GMT. Japan Standard Time (JST, UTC+9) and Greenwich Mean Time (GMT, UTC+0) are 9 hours apart.
| JST | GMT |
|---|---|
| 12:00 AM | 4:00 PM (-1 day) |
| 3:00 AM | 7:00 PM (-1 day) |
| 6:00 AM | 10:00 PM (-1 day) |
| 9:00 AM | 1:00 AM |
| 12:00 PM | 4:00 AM |
| 3:00 PM | 7:00 AM |
| 6:00 PM | 10:00 AM |
| 9:00 PM | 1:00 PM |
Japan Standard Time (JST) is UTC+9 and Greenwich Mean Time (GMT) is UTC+0. The exact difference can vary due to Daylight Saving Time changes. Our converter automatically accounts for current DST rules to give you accurate conversions.
Use the conversion table above to find common time mappings between JST and GMT. For precise conversions including DST adjustments, use the interactive converter.
Japan Standard Time (JST) is based on the Asia/Tokyo timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.
Convert Japan Standard Time to Greenwich Mean Time
| JST | GMT |
|---|---|
| 12:00 AM | 3:00 PM (-1) |
| 3:00 AM | 7:00 PM (-1) |
| 6:00 AM | 10:00 PM (-1) |
| 9:00 AM | 1:00 AM |
| 12:00 PM | 4:00 AM |
| 3:00 PM | 7:00 AM (+1) |
| 6:00 PM | 10:00 AM (+1) |
| 9:00 PM | 1:00 PM (+1) |
Japan Standard Time (JST) is UTC+9 and Greenwich Mean Time (GMT) is UTC+0. The exact difference can vary due to Daylight Saving Time changes.
Use our converter above to find the exact time. Enter 9:00 in the JST field to see the corresponding GMT time, accounting for current DST rules.
Japan Standard Time (JST) is based on the Asia/Tokyo timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.