Convert KST to UTC
Convert a time in KST to UTC, with daylight-saving changes applied for the date you choose.
KST to UTC
Time in KST, Asia
Time in UTC, Coordinated Universal Time
- KST now
- —
- UTC now
- —
Time zone details
KST, Asia
- IANA zone
- Etc/GMT-9
- Standard offset
- UTC+09:00
- Daylight saving
- Not observed
UTC, Coordinated Universal Time
- IANA zone
- UTC
- Standard offset
- UTC+00:00
- Daylight saving
- Not observed
Sunrise and sunset are calculated for the city centre and are accurate to about a minute. Local elevation and atmospheric conditions shift the observed horizon.
Need the reverse direction? Convert UTC to KST.
Related time zones conversions
Frequently asked questions
What is the time difference between KST and UTC?+
KST is UTC+09:00 and UTC is UTC+00:00 in standard time. The gap between them changes during the year if either place observes daylight saving, so enter a date to see the difference on that day.
Does KST observe daylight saving time?+
No. KST stays on UTC+09:00 all year.
Does UTC observe daylight saving time?+
No. UTC stays on UTC+00:00 all year.
Why does one local time sometimes have two answers?+
When clocks go back, the hour before the change repeats, so that local reading happens twice and both instants are valid. When clocks go forward, the skipped hour never occurs, so that reading has no matching instant at all. The converter reports both cases rather than guessing.