GMT to Seoul Time Converter
KST is 9 hours ahead of GMT. 9:00 AM GMT = 6:00 PM KST.
KST is 9 hours ahead of GMT. To convert GMT to Seoul Time, add 9 hours to the GMT time: 9:00 AM GMT = 6:00 PM KST.
GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year. Seoul Time (Seoul time) is used in Seoul, South Korea.
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
GMT to Seoul Time time conversion table
GMT to Seoul Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| GMT | Seoul Time | Day |
|---|---|---|
| 12:00 AM GMT | 9:00 AM KST | — |
| 1:00 AM GMT | 10:00 AM KST | — |
| 2:00 AM GMT | 11:00 AM KST | — |
| 3:00 AM GMT | 12:00 PM KST | — |
| 4:00 AM GMT | 1:00 PM KST | — |
| 5:00 AM GMT | 2:00 PM KST | — |
| 6:00 AM GMT | 3:00 PM KST | — |
| 7:00 AM GMT | 4:00 PM KST | — |
| 8:00 AM GMT | 5:00 PM KST | — |
| 9:00 AM GMT | 6:00 PM KST | — |
| 10:00 AM GMT | 7:00 PM KST | — |
| 11:00 AM GMT | 8:00 PM KST | — |
| 12:00 PM GMT | 9:00 PM KST | — |
| 1:00 PM GMT | 10:00 PM KST | night |
| 2:00 PM GMT | 11:00 PM KST | night |
| 3:00 PM GMT | 12:00 AM KST | next day |
| 4:00 PM GMT | 1:00 AM KST | next day |
| 5:00 PM GMT | 2:00 AM KST | next day |
| 6:00 PM GMT | 3:00 AM KST | next day |
| 7:00 PM GMT | 4:00 AM KST | next day |
| 8:00 PM GMT | 5:00 AM KST | next day |
| 9:00 PM GMT | 6:00 AM KST | next day |
| 10:00 PM GMT | 7:00 AM KST | next day |
| 11:00 PM GMT | 8:00 AM KST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert GMT to Seoul Time
Add 9 hours to the GMT time to get Seoul Time.
Example: 9:00 AM GMT = 6:00 PM KST.
Across midnight: 10:00 PM GMT = 7:00 AM KST (next day). The date changes, so always check the day as well as the hour.
Time difference between GMT and Seoul Time
The time difference between GMT and Seoul Time is 9 hours all year – KST is ahead of GMT.
GMT and Seoul Time during daylight saving time
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
- Seoul Time does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between GMT and Seoul Time
GMT and Seoul Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM KST.
GMT to Seoul Time FAQ
What is the time difference between GMT and Seoul Time?
KST is 9 hours ahead of GMT all year. 9:00 AM GMT = 6:00 PM KST.
What is 9 AM GMT in Seoul Time?
9:00 AM GMT is 6:00 PM KST.
What is 12 PM (noon) GMT in Seoul Time?
12:00 PM GMT is 9:00 PM KST.
Is Seoul Time ahead of or behind GMT?
KST is 9 hours ahead of GMT, so it is later in Seoul Time than in GMT.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
Does Seoul Time change for daylight saving time?
No. Seoul Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between GMT and Seoul Time?
GMT and Seoul Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM KST.
Related conversions
Convert Seoul Time to GMT
Convert GMT to other time zones
Convert other time zones to Seoul Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.