🇬🇧 Epoch / Unix timestamp to London time

Convert a Unix timestamp (seconds since 1 Jan 1970 UTC) into local time in London (GMT/BST) — daylight saving applied for the date of the timestamp.

Right now: 1781875492 = Fri, Jun 19, 2026, 2:24 PM UTC+01:00
Current epoch (seconds) in London (GMT+1)

Common timestamps in London

Epoch (seconds)London local timeNote
0Thu, Jan 1, 1970, 1:00 AM UTC+01:00the Unix epoch
1000000000Sun, Sep 9, 2001, 2:46 AM UTC+01:00one billion seconds
1225789200Tue, Nov 4, 2008, 9:00 AM UTC+00:00Nov 2008 (a DST edge in the US/EU)
1500000000Fri, Jul 14, 2017, 3:40 AM UTC+01:00Jul 2017
1609459200Fri, Jan 1, 2021, 12:00 AM UTC+00:00Jan 1, 2021 UTC

In code

// JavaScript — epoch seconds -> London
const epoch = 1225789200;
new Date(epoch * 1000).toLocaleString("en-US", {
  timeZone: "Europe/London",
});

// Via the API:
// GET https://tz.wrapper-agency.com/api/v1/tz?from=UTC&to=Europe%2FLondon&epoch=1225789200

Other zones: UTC, New York, Los Angeles, Paris, Tokyo.