Does South Korea change its clocks?
No. South Korea does not change its clocks. The time zone data this site uses lists no change for the next 26 months. The whole country uses UTC+9 (KST).
Time zones in South Korea
Places that share the same time and the same clock changes are grouped. The first place in each row is the best known.
| Places | Time now | Next clock change |
|---|---|---|
| Seoul | UTC+9 (KST) | None |
Time zone abbreviations used here: KST.
Recent clock changes in Seoul
- Sun 9 Oct 1988 at 03:00: clocks go back 1 hour, to UTC+9 (KST).
- Sun 8 May 1988 at 02:00: clocks go forward 1 hour, to UTC+10 (KDT).
- Sun 11 Oct 1987 at 03:00: clocks go back 1 hour, to UTC+9 (KST).
These are the last three changes in the time zone database. Seoul is the main time zone used on this page.
The tables below compare the main time zone, Seoul, with other cities.
Time difference between South Korea and other cities
| City | Compared with South Korea, now | Changes in the next 12 months |
|---|---|---|
| New York City | 14 hours behind | Sun 14 Mar 2027, 07:00 UTC: 13 hours behind |
| Los Angeles | 17 hours behind | Sun 14 Mar 2027, 10:00 UTC: 16 hours behind |
| London | 9 hours behind | Sun 28 Mar 2027, 01:00 UTC: 8 hours behind Sun 31 Oct 2027, 01:00 UTC: 9 hours behind |
| Dubai | 5 hours behind | No change |
| Mumbai | 3 hours 30 minutes behind | No change |
| Singapore | 1 hour behind | No change |
| Tokyo | Same time | No change |
| Sydney | 2 hours ahead | Sat 3 Apr 2027, 16:00 UTC: 1 hour ahead Sat 2 Oct 2027, 16:00 UTC: 2 hours ahead |
A gap changes when the two places change their clocks on different dates. Dates are in UTC.
Working hours that overlap with South Korea
When it is 09:00 to 17:00 in South Korea, where is it also a working day (09:00 to 17:00)? This uses today’s clock settings, so check the meeting planner for weeks when clocks change.
| City | Shared working hours |
|---|---|
| New York City | No shared working hours |
| Los Angeles | 09:00 to 10:00 in South Korea (16:00 to 17:00 in Los Angeles, previous day) |
| London | No shared working hours |
| Dubai | 14:00 to 17:00 in South Korea (09:00 to 12:00 in Dubai) |
| Mumbai | 12:30 to 17:00 in South Korea (09:00 to 13:30 in Mumbai) |
| Singapore | 10:00 to 17:00 in South Korea (09:00 to 16:00 in Singapore) |
| Tokyo | 09:00 to 17:00 in South Korea (09:00 to 17:00 in Tokyo) |
| Sydney | 09:00 to 15:00 in South Korea (11:00 to 17:00 in Sydney) |