This simple KST to GMT time zone converter allows you to quickly and visually understand the time difference between KST (KST) and GMT (GMT).
5:38 AM GMT
KST: UTC+09:00 · GMT: UTC+00:00
Just hover over the colored hour tiles, and you’ll instantly see the corresponding time in both zones. The time difference between KST and GMT is 9 hours 0 minutes, with KST being ahead. For example, if it is 2:38 PM KST, the equivalent time in GMT will be 5:38 AM GMT.
| Korea Standard Time | Greenwich Mean Time |
|---|---|
| 00:00 KST | 15:00 (-1) GMT |
| 00:30 KST | 15:30 (-1) GMT |
| 01:00 KST | 16:00 (-1) GMT |
| 01:30 KST | 16:30 (-1) GMT |
| 02:00 KST | 17:00 (-1) GMT |
| 02:30 KST | 17:30 (-1) GMT |
| 03:00 KST | 18:00 (-1) GMT |
| 03:30 KST | 18:30 (-1) GMT |
| 04:00 KST | 19:00 (-1) GMT |
| 04:30 KST | 19:30 (-1) GMT |
| 05:00 KST | 20:00 (-1) GMT |
| 05:30 KST | 20:30 (-1) GMT |
| 06:00 KST | 21:00 (-1) GMT |
| 06:30 KST | 21:30 (-1) GMT |
| 07:00 KST | 22:00 (-1) GMT |
| 07:30 KST | 22:30 (-1) GMT |
| 08:00 KST | 23:00 (-1) GMT |
| 08:30 KST | 23:30 (-1) GMT |
| 09:00 KST | 00:00 GMT |
| 09:30 KST | 00:30 GMT |
| 10:00 KST | 01:00 GMT |
| 10:30 KST | 01:30 GMT |
| 11:00 KST | 02:00 GMT |
| 11:30 KST | 02:30 GMT |
| 12:00 KST | 03:00 GMT |
| 12:30 KST | 03:30 GMT |
| 13:00 KST | 04:00 GMT |
| 13:30 KST | 04:30 GMT |
| 14:00 KST | 05:00 GMT |
| 14:30 KST | 05:30 GMT |
| 15:00 KST | 06:00 GMT |
| 15:30 KST | 06:30 GMT |
| 16:00 KST | 07:00 GMT |
| 16:30 KST | 07:30 GMT |
| 17:00 KST | 08:00 GMT |
| 17:30 KST | 08:30 GMT |
| 18:00 KST | 09:00 GMT |
| 18:30 KST | 09:30 GMT |
| 19:00 KST | 10:00 GMT |
| 19:30 KST | 10:30 GMT |
| 20:00 KST | 11:00 GMT |
| 20:30 KST | 11:30 GMT |
| 21:00 KST | 12:00 GMT |
| 21:30 KST | 12:30 GMT |
| 22:00 KST | 13:00 GMT |
| 22:30 KST | 13:30 GMT |
| 23:00 KST | 14:00 GMT |
| 23:30 KST | 14:30 GMT |
UTC+09:00
Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.
KST · UTC+09:00
UTC+00:00
Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.
GMT · UTC+00:00
2026-10-19 · KST ahead of GMT: 9 hours 0 minutes. KST: UTC+09:00; GMT: UTC+00:00.
2026-10-19 · 14:38 KST → 05:38 GMT.
Weekday overlap (Mon–Fri, 09:00–17:00 in both places): No overlapping working hours on this source date.
KST ahead of GMT: 9 hours 0 minutes
Date → Select range → .ics. 2026-10-19 · 14:38 KST → 05:38 GMT.
KST: Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT. GMT: Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.