UTC to KST Time Converter

Convert Coordinated Universal Time (UTC) to Korea Standard Time (KST). Both time zones are shown live below; current offset between them is 9 hours ahead.

UTC · Coordinated Universal Time
20:55:26
Sunday, May 10, 2026
UTC · UTC+00:00
Seoul · Korea Standard Time
05:55:26
Monday, May 11, 2026
GMT+9 · UTC+09:00

Convert a specific time

From: UTC (UTC)
To: KST (Seoul)
--:--

Daylight Saving status right now

UTC (Coordinated Universal Time)
Observes DST
No
KST (Korea Standard Time)
Observes DST
No

When can UTC and KST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
UTC
KST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in UTC (UTC). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 08:00–09:00 UTC (17:00–18:00 KST).

Hour-by-hour UTC to KST conversion table

UTC time (UTC)KST time (Seoul)Status
00:00 Sun09:00 SunKST working
01:00 Sun10:00 SunKST working
02:00 Sun11:00 SunKST working
03:00 Sun12:00 SunKST working
04:00 Sun13:00 SunKST working
05:00 Sun14:00 SunKST working
06:00 Sun15:00 SunKST working
07:00 Sun16:00 SunKST working
08:00 Sun17:00 SunOff-hours both sides
09:00 Sun18:00 SunUTC working
10:00 Sun19:00 SunUTC working
11:00 Sun20:00 SunUTC working
12:00 Sun21:00 SunUTC working
13:00 Sun22:00 SunUTC working
14:00 Sun23:00 SunUTC working
15:00 Sun00:00 MonUTC working
16:00 Sun01:00 MonUTC working
17:00 Sun02:00 MonOff-hours both sides
18:00 Sun03:00 MonOff-hours both sides
19:00 Sun04:00 MonOff-hours both sides
20:00 Sun05:00 MonOff-hours both sides
21:00 Sun06:00 MonOff-hours both sides
22:00 Sun07:00 MonOff-hours both sides
23:00 Sun08:00 MonOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC
Korea Standard Time (KST)
IANA identifier
Asia/Seoul
Current UTC offset
UTC+09:00
Current abbreviation
GMT+9
Major cities in this zone
SeoulBusan

Sun today in UTC and Seoul

Seoul
Sunrise
05:28
Sunset
19:31
Solar noon
12:29
Daylight
14h 3m

Related converters

KST to UTC (reverse)UTC to ESTUTC to PSTUTC to GMTUTC to CETUTC to ISTEST to KSTPST to KSTGMT to KSTCET to KSTIST to KST
Looking for local time? See time in UTC or time in Seoul.

Frequently asked questions

What is the time difference between UTC and KST right now?+
KST (Korea Standard Time) is currently 9 hours ahead UTC (Coordinated Universal Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does UTC or KST observe daylight saving time?+
UTC: does not observe daylight saving time. KST: does not observe daylight saving time.
When is the best time to schedule a meeting between UTC and KST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–09:00 UTC (17:00–18:00 KST).
What time is it in Seoul when it is 12:00 noon in UTC?+
When it is 12:00 Sun in UTC (UTC), it is 21:00 Sun in Seoul (KST).
Which IANA time zone identifiers are used for UTC and KST?+
UTC maps to "UTC" in the IANA database. KST maps to "Asia/Seoul". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is UTC ahead of or behind Seoul?+
Whether UTC (UTC) is ahead of or behind Seoul (KST) depends on the current UTC offsets. Right now KST is 9 hours ahead UTC. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for UTC and KST?+
UTC is UTC+00:00 (UTC) and KST is UTC+09:00 (GMT+9). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both UTC and KST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between UTC and KST is 08:00–09:00 UTC.