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Seoul · Busan
Compare working hours worldwide in the world conference planner.
Difference
UTC vs KST
UTC → UTC
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Worldwide · Servers · Aviation
KST to UTC converter
KST to UTC Converter
Convert KST (Seoul) to UTC (UTC) now. Live clocks, the current time difference, and a simple meeting window — free.
Asia/Seoul
—
KST → UTC
To · Coordinated Universal Time
—
UTC
Interactive diagram
Watch KST convert into UTC
Drag the Korea hour. Watch the UTC clock change.
Korea
9:00 AM KST
—
UTC ← KST
UTC
—
Full-day chart
KST to UTC hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Korea | UTC | UTC offsets |
|---|
Meeting times
Best KST to UTC meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step KST to UTC conversion
Four short steps to convert any KST time to UTC.
Choose KST time
Select any hour in Korea Standard Time. Smart mode uses Asia/Seoul.
KST to UTC conversion guide
KST to UTC conversion guide
This KST to UTC converter shows Coordinated Universal Time (UTC±0) for any Korea Standard Time (UTC+9) time. Use it to schedule between Seoul and Worldwide. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the KST and UTC labels.
Korea
KST
UTC+9
Seoul · Busan
KST vs UTC—
UTC
UTC
UTC±0
Worldwide · Servers · Aviation
What is KST to UTC conversion?
KST to UTC conversion turns a KST clock into the matching UTC time. Use it for calls, travel, and teams in Seoul and Worldwide.
KST to UTC time difference
UTC is 9 hours behind KST. Subtract 9 hours from the KST time to get UTC. The live clocks at the top show the current KST to UTC gap.
KST vs UTC
KST is UTC+9. UTC is UTC±0. They are different names. If a region uses daylight saving, check the live labels.
KST to UTC now / current time
Need kst to utc right now? Read the live clocks, or tap Use current time for an instant KST → UTC result.
KST to UTC time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Korea—
—KST → UTC
UTC—
Quick answers
Korea
Korea Standard Time (KST)
UTC+9
Korea Standard Time (KST) is UTC+9. Smart DST uses the city clock Asia/Seoul so daylight saving stays correct for Seoul · Busan.
- Cities: Seoul · Busan
- City clock: Asia/Seoul
- Fixed KST: UTC+9
- On this page it pairs with UTC (UTC±0)
UTC
Coordinated Universal Time (UTC)
UTC±0
Coordinated Universal Time (UTC) is UTC±0. Smart DST uses UTC for cities such as Worldwide · Servers · Aviation.
- Cities: Worldwide · Servers · Aviation
- City clock: UTC
- Fixed UTC: UTC±0
- From KST: UTC is 9 hours behind KST
KST to UTC FAQ
Common KST to UTC questions
What is the KST to UTC time difference?
UTC is 9 hours behind KST. Fixed labels: KST = UTC+9, UTC = UTC±0. Subtract 9 hours from the KST time to get UTC.
How do I convert KST to UTC quickly?
Subtract 9 hours from the KST time to get UTC. Example: 3:00 AM KST → 6:00 PM UTC. Or use the live KST to UTC converter above.
Is UTC the same as KST?
No. KST is UTC+9 (Seoul · Busan). UTC is UTC±0 (Worldwide · Servers · Aviation).
What is a good KST to UTC meeting time?
UTC is behind. Try 10:00 AM–3:00 PM KST. That is about 1:00 AM–6:00 AM UTC. Use the meeting planner on this page to export an ICS or Google Calendar invite.
What cities use KST and UTC?
KST is common in Seoul · Busan. UTC is common in Worldwide · Servers · Aviation. Smart DST uses Asia/Seoul and UTC.