--:--:--
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London · Reykjavik · Accra
Need overlap across regions? Open the best time for a global meeting.
Difference
KST vs GMT
UTC → UTC
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Seoul · Busan
GMT to KST converter
GMT to KST Converter
Convert GMT (London) to KST (Seoul) now. Live clocks, the current time difference, and a simple meeting window — free.
Etc/UTC
—
GMT → KST
To · Korea Standard Time
—
Asia/Seoul
Interactive diagram
Watch GMT convert into KST
Drag the GMT hour. Watch the Korea clock change.
GMT
9:00 AM GMT
—
KST ← GMT
Korea
—
Full-day chart
GMT to KST hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| GMT | Korea | UTC offsets |
|---|
Meeting times
Best GMT to KST meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step GMT to KST conversion
Four short steps to convert any GMT time to KST.
Choose GMT time
Select any hour in Greenwich Mean Time. Smart mode uses Etc/UTC.
GMT to KST conversion guide
GMT to KST conversion guide
This GMT to KST converter shows Korea Standard Time (UTC+9) for any Greenwich Mean Time (UTC±0) time. Use it to schedule between London and Seoul. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the GMT and KST labels.
GMT
GMT
UTC±0
London · Reykjavik · Accra
GMT vs KST—
Korea
KST
UTC+9
Seoul · Busan
What is GMT to KST conversion?
GMT to KST conversion turns a GMT clock into the matching KST time. Use it for calls, travel, and teams in London and Seoul.
GMT to KST time difference
KST is 9 hours ahead of GMT. Add 9 hours to the GMT time to get KST. The live clocks at the top show the current GMT to KST gap.
GMT vs KST
GMT is UTC±0. KST is UTC+9. They are different names. If a region uses daylight saving, check the live labels.
GMT to KST now / current time
Need gmt to kst right now? Read the live clocks, or tap Use current time for an instant GMT → KST result.
GMT to KST time difference
Season / context — tap to explore
See how daylight saving can change this pair.
GMT—
—GMT → KST
Korea—
Quick answers
GMT
Greenwich Mean Time (GMT)
UTC±0
Same as UTC+0 here. London often uses BST in summer.
- Cities: London · Reykjavik · Accra
- City clock: Etc/UTC
- Fixed GMT: UTC±0
- On this page it pairs with KST (UTC+9)
Korea
Korea Standard Time (KST)
UTC+9
Korea Standard Time (KST) is UTC+9. Smart DST uses Asia/Seoul for cities such as Seoul · Busan.
- Cities: Seoul · Busan
- City clock: Asia/Seoul
- Fixed KST: UTC+9
- From GMT: KST is 9 hours ahead of GMT
GMT to KST FAQ
Common GMT to KST questions
What is the GMT to KST time difference?
KST is 9 hours ahead of GMT. Fixed labels: GMT = UTC±0, KST = UTC+9. Add 9 hours to the GMT time to get KST.
How do I convert GMT to KST quickly?
Add 9 hours to the GMT time to get KST. Example: 3:00 AM GMT → 12:00 PM KST. Or use the live GMT to KST converter above.
Is KST the same as GMT?
No. GMT is UTC±0 (London · Reykjavik · Accra). KST is UTC+9 (Seoul · Busan).
What is a good GMT to KST meeting time?
KST is ahead. Try 7:00–11:00 AM GMT. That is about 4:00 PM–8:00 PM KST. Use the meeting planner on this page to export an ICS or Google Calendar invite.
What cities use GMT and KST?
GMT is common in London · Reykjavik · Accra. KST is common in Seoul · Busan. Smart DST uses Etc/UTC and Asia/Seoul.