Korea Standard Time (KST; Hangul: 한국 표준시; hanja: 韓國標準時; RR: Han-guk pyojunsi) is the standard time zone in South Korea and is 9 hours ahead of UTC (UTC+09:00): i.e., when it is midnight (00:00) UTC, it is 9 am (09:00) Korea Standard Time. South Korea does not observe daylight saving time, but experimented with it during the 1988 Seoul Olympics. Korea Standard Time is the same as Japan Standard Time, Indonesian Eastern Standard Time and Yakutsk Time.