Korea Standard Time
Korea Standard Time (KST; Korean: 한국 표준시 or 조선 표준시; Hanja: 韓國標準時 or 朝鮮標準時; Han-guk pyojunsi or Joseon pyojunsi) is the standard time zone in North and 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. Korea does not currently observe daylight saving time but has experimented with it in the past.12 Korea Standard Time is the same as Japan Standard Time, Indonesian Eastern Standard Time and Irkutsk Time.
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History
The Korean Empire adopted a standard time of 8.5 hours ahead of UTC. In 1912, following the introduction of Imperial Japanese rule, the colonial government changed this to Japan Standard Time.











