Time in KST and GMT
The time difference between Korea Standard Time (KST) and Greenwich Mean Time (GMT) is 9 hours. Greenwich Mean Time is 9 hours behind Korea Standard Time.
This means 9am KST is 12am GMT and 5pm KST is 8am GMT.
Korea Standard Time
- The current local time in KST is 8:56 pm (August 15, 2026)
- KST time zone offset is UTC+09:00
Greenwich Mean Time
- The current local time in GMT is 11:56 am (August 15, 2026)
- GMT time zone offset is UTC+00:00
How to convert Korea Standard Time to Greenwich Mean Time?
Subtract 9 hours from Korea Standard Time to get Greenwich Mean Time.
Time in KST
00:00
Time in GMT
00:00
Use the slider above to convert Korea Standard Time to Greenwich Mean Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| KST | GMT |
|---|---|
| 12am | 3pm |
| 1am | 4pm |
| 2am | 5pm |
| 3am | 6pm |
| 4am | 7pm |
| 5am | 8pm |
| 6am | 9pm |
| 7am | 10pm |
| 8am | 11pm |
| 9am | 12am |
| 10am | 1am |
| 11am | 2am |
| 12pm | 3am |
| 1pm | 4am |
| 2pm | 5am |
| 3pm | 6am |
| 4pm | 7am |
| 5pm | 8am |
| 6pm | 9am |
| 7pm | 10am |
| 8pm | 11am |
| 9pm | 12pm |
| 10pm | 1pm |
| 11pm | 2pm |