Time in South Korea now
9:06PMKST
KSTUTC+9+14 h vs New York (you)Asia/Seoul
No clock changes: South Korea stays on KST (UTC+9) all year.
Time zone in South Korea
South Korea uses a single time zone: Korean Standard Time (KST, UTC+9) all year. Every clock in the country shows the same time.
Seoul lies at 127.0° east, where mean solar time is UTC+8:28 (four minutes per degree of longitude). The clocks run 32 min ahead of the sun, so on average the sun is highest at about 12:32 PM.
Daylight saving time in South Korea
No. South Korea does not change its clocks under the current rules. It last used daylight saving time in 1988, after 2 years with summer time since 1970.
Clock history of South Korea
The record begins with local mean time (clocks set by the sun, UTC+8:28 in Seoul), which ended on April 1, 1908, when KST (UTC+8:30) replaced it. Between 1970 and 2024, a daylight saving period began in 2 of the 55 years, most recently in 1988. The first summer time in the record dates from 1948. The table summarises the clocks of South Korea year by year since 1970, from the tzdata entry Asia/Seoul.
| Years | Clocks | Abbreviations |
|---|---|---|
| 1970–1986 | UTC+9 all year | KST |
| 1987–1988 | UTC+9 in winter, UTC+10 in summer | KST, KDT |
| 1989 onward | UTC+9 all year | KST |
Rows from 2027 on follow the rules in tzdata 2026f; a government decision would change them in the next release.
Convert South Korea time
Time difference between South Korea and major cities
| City | Local time now | South Korea vs city now | January | July | Office overlap Jan / Jul |
|---|---|---|---|---|---|
| New York | 7:06 AM Tue, Nov 3 | +14 h | +14 h | +13 h | none / none |
| Los Angeles | 4:06 AM Tue, Nov 3 | +17 h | +17 h | +16 h | 1 h / none |
| London | 12:06 PM Tue, Nov 3 | +9 h | +9 h | +8 h | none / none |
| Berlin | 1:06 PM Tue, Nov 3 | +8 h | +8 h | +7 h | none / 1 h |
| Dubai | 4:06 PM Tue, Nov 3 | +5 h | +5 h | +5 h | 3 h / 3 h |
| New Delhi | 5:36 PM Tue, Nov 3 | +3 h 30 min | +3 h 30 min | +3 h 30 min | 4 h 30 min / 4 h 30 min |
| Singapore | 8:06 PM Tue, Nov 3 | +1 h | +1 h | +1 h | 7 h / 7 h |
| Beijing | 8:06 PM Tue, Nov 3 | +1 h | +1 h | +1 h | 7 h / 7 h |
| Sydney | 11:06 PM Tue, Nov 3 | −2 h | −2 h | −1 h | 6 h / 7 h |
Office hours and calls
With JavaScript on, this line shows how South Korea’s office hours overlap yours today.
South Korea and New York share no office hours: when offices open at 9:00 AM in South Korea, it is 7:00 PM the day before in New York. A call has to be early or late for one side: 10:00 PM in South Korea is 8:00 AM in New York.
South Korea and London share no office hours: when offices open at 9:00 AM in South Korea, it is 12:00 AM in London. A call has to be early or late for one side: 5:00 PM in South Korea is 8:00 AM in London.
A 9-to-5 day in South Korea overlaps New Delhi’s for 4 h 30 min in January (12:30 PM–5:00 PM South Korea time) and the same in July. At 9:00 AM in South Korea it is 5:30 AM in New Delhi.
Neighbouring time zones
The nearest large cities on a different clock, with the straight-line distance from Seoul and the difference now.
| City | Distance | Time now | Their clock vs here |
|---|---|---|---|
| Yantai China | 490 km | 8:06 PM CST | −1 h |
| Vladivostok Russia | 740 km | 10:06 PM UTC+10 | +1 h |
| Yuzhno-Sakhalinsk Russia | 1,660 km | 11:06 PM UTC+11 | +2 h |
Same clock as South Korea
These places keep exactly the same time as South Korea all year under the current rules (zones Asia/Chita, Asia/Dili, Asia/Jayapura, Asia/Khandyga, Asia/Pyongyang and 3 more).
Cities in South Korea
South Korea at a glance
- CapitalSeoul
- Population51,684,564
- Time zone IDAsia/Seoul
- Standard timeKST (UTC+9)
- Daylight saving timenone
- Calling code+82