KST to UTC Converter

UTC is 9h 0m behind KST. When it's 12:00 PM KST, it's 3:00 AM UTC.

From

KST · UTC+9

1:09:54PM

Korea Standard Time

e.g. Seoul

To

UTC · UTC

4:09:54AM

Coordinated Universal Time

e.g. London

Open in World ClockUTC → KST
9:00 AM KST=12:00 AM UTC
12:00 PM KST=3:00 AM UTC
5:00 PM KST=8:00 AM UTC

Hourly conversion (KST → UTC)

KSTUTC
12:00 AM3:00 PM(−1 day)
1:00 AM4:00 PM(−1 day)
2:00 AM5:00 PM(−1 day)
3:00 AM6:00 PM(−1 day)
4:00 AM7:00 PM(−1 day)
5:00 AM8:00 PM(−1 day)
6:00 AM9:00 PM(−1 day)
7:00 AM10:00 PM(−1 day)
8:00 AM11:00 PM(−1 day)
9:00 AM12:00 AM
10:00 AM1:00 AM
11:00 AM2:00 AM
12:00 PM3:00 AM
1:00 PM4:00 AM
2:00 PM5:00 AM
3:00 PM6:00 AM
4:00 PM7:00 AM
5:00 PM8:00 AM
6:00 PM9:00 AM
7:00 PM10:00 AM
8:00 PM11:00 AM
9:00 PM12:00 PM
10:00 PM1:00 PM
11:00 PM2:00 PM

Shaded rows are within standard working hours (8am–6pm) on both sides.

UTC is the global time standard (UTC+0); it never observes daylight saving time.

More KST conversions

Frequently asked questions

What is the time difference between KST and UTC?
UTC is 9h 0m behind KST. KST is UTC+9 and UTC is UTC.
What is 12:00 PM KST in UTC?
12:00 PM KST is 3:00 AM UTC.
Does KST change for daylight saving time?
KST is a fixed offset of UTC+9 and does not itself change for daylight saving time.