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In South Korea, there is only one time zone in use: South Korea Standard Time, KST (UTC+09). Time in South Korea does not change because it does not observe Daylight Saving Time.
For comparing the current time in South Korea and United Kingdom or any other country combination, visit time comparison. For an introduction to UTC and world time, read UTC by country. Time changes in South Korea are shown below by city, state or region.
| Regions | Standard Time | Daylight Saving Time | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time zone | 2016 | 2017 | 2018 | Time zone | 2016 | 2017 | 2018 | |||
| South Korea Standard Time KST (UTC+09) | UTC+09 all year long | No Daylight Saving Time | |||||||
The information in this page comes from data published in the Time Zone Database managed by the Internet Assigned Numbers Authority (IANA).
| Year | Time zone Abbreviation | UTC Offset | Time zone Name | Daylight Saving Time | Begins (local time) |
|---|---|---|---|---|---|
| 1988 | KST | UTC+09 | South Korea Standard Time | no | Sunday, October 9 1988, 03:00 AM |
| 1988 | KDT | UTC+10 | yes | Sunday, May 8 1988, 02:00 AM | |
| 1987 | KST | UTC+09 | South Korea Standard Time | no | Sunday, October 11 1987, 03:00 AM |
| 1987 | KDT | UTC+10 | yes | Sunday, May 10 1987, 02:00 AM | |
| 1961 | KST | UTC+09 | South Korea Standard Time | no | Thursday, August 10 1961, 12:00 AM |
| 1960 | KST | UTC+08:30 | South Korea Standard Time | no | Saturday, September 17 1960, 12:00 AM |
| 1960 | KDT | UTC+09:30 | yes | Sunday, May 1 1960, 12:00 AM | |
| 1959 | KST | UTC+08:30 | South Korea Standard Time | no | Saturday, September 19 1959, 12:00 AM |
| 1959 | KDT | UTC+09:30 | yes | Sunday, May 3 1959, 12:00 AM | |
| 1958 | KST | UTC+08:30 | South Korea Standard Time | no | Saturday, September 20 1958, 12:00 AM |
| 1958 | KDT | UTC+09:30 | yes | Sunday, May 4 1958, 12:00 AM | |
| 1957 | KST | UTC+08:30 | South Korea Standard Time | no | Saturday, September 21 1957, 12:00 AM |
| 1957 | KDT | UTC+09:30 | yes | Sunday, May 5 1957, 12:00 AM | |
| 1956 | KST | UTC+08:30 | South Korea Standard Time | no | Saturday, September 29 1956, 12:00 AM |
| 1956 | KDT | UTC+09:30 | yes | Sunday, May 20 1956, 12:00 AM | |
| 1955 | KST | UTC+08:30 | South Korea Standard Time | no | Thursday, September 8 1955, 12:00 AM |
| 1955 | KDT | UTC+09:30 | yes | Thursday, May 5 1955, 12:00 AM | |
| 1954 | KST | UTC+08:30 | South Korea Standard Time | no | Saturday, March 20 1954, 12:00 AM |
| 1945 | KST | UTC+09 | South Korea Standard Time | no | Saturday, September 8 1945, 12:00 AM |
| 1937 | JST | UTC+09 | no | Friday, October 1 1937, 12:00 AM | |
| 1912 | JCST | UTC+09 | no | Monday, January 1 1912, 12:00 AM | |
| 1908 | KST | UTC+08:30 | South Korea Standard Time | no | Wednesday, April 1 1908, 12:00 AM |
| 1901 | LMT | UTC+08:27:52 | no | Saturday, December 14 1901, 05:13 AM |