🇰🇷 Epoch / Unix timestamp to Seoul time
Convert a Unix timestamp (seconds since 1 Jan 1970 UTC) into local time in Seoul (KST) — daylight saving applied for the date of the timestamp.
Right now: 1781980178 = Sun, Jun 21, 2026, 3:29 AM UTC+09:00
Current epoch (seconds) in Seoul (GMT+9)
Common timestamps in Seoul
| Epoch (seconds) | Seoul local time | Note |
|---|---|---|
| 0 | Thu, Jan 1, 1970, 9:00 AM UTC+09:00 | the Unix epoch |
| 1000000000 | Sun, Sep 9, 2001, 10:46 AM UTC+09:00 | one billion seconds |
| 1225789200 | Tue, Nov 4, 2008, 6:00 PM UTC+09:00 | Nov 2008 (a DST edge in the US/EU) |
| 1500000000 | Fri, Jul 14, 2017, 11:40 AM UTC+09:00 | Jul 2017 |
| 1609459200 | Fri, Jan 1, 2021, 9:00 AM UTC+09:00 | Jan 1, 2021 UTC |
In code
// JavaScript — epoch seconds -> Seoul
const epoch = 1225789200;
new Date(epoch * 1000).toLocaleString("en-US", {
timeZone: "Asia/Seoul",
});
// Via the API:
// GET https://tz.wrapper-agency.com/api/v1/tz?from=UTC&to=Asia%2FSeoul&epoch=1225789200Other zones: UTC, New York, Los Angeles, London, Paris.