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Convert KST Timezone

Convert Korea Standard Time (KST) to and from any other time zone.

Convert KST to any other time zone and back. KST is Korea Standard Time, which runs at UTC+09:00.

The clock below starts on KST using Seoul, South Korea, so you can read straight across to the cities you care about. Add or remove rows to build the comparison you need, and set a date and time to check a moment in the past or future.

    Selected Date: 00:00
    00:00
    23:59

    For more converters, browse our full list of time zone converters.

    KST covers 3 IANA time zones, including Asia/Pyongyang, Asia/Seoul, ROK. Daylight saving is applied automatically for whichever zone a city actually uses, so the result stays correct across the changeover.

    The standard time in South Korea, observed year-round. South Korea does not currently observe daylight saving time. It shares the same offset as Japan Standard Time (JST).

    See the KST time zone overview for the full picture, or the full time zone converter to compare any cities you like.

    Convert from KST

    Convert to KST

    Browse all time zone converters · KST time zone overview