Timezone Truth

When do the clocks change next?

The next transitions for a zone, found from the runtime data rather than a table that goes stale.

2026-06-15 12:00 · America/New_YorkEurope/London

Mon, 2026-06-15, 12:00 in America/New_York is Mon, 2026-06-15, 17:00 in Europe/London.

2026-06-15T16:00:00.000Z

From

America/New_York

Mon, 2026-06-15, 12:00

UTC−04:00 · EDT

To

Europe/London

Mon, 2026-06-15, 17:00

UTC+01:00 · GMT+1

Upcoming clock changes

America/New_York

  • 2026-11-01T06:00:14.062Z

    Clocks fall back an hour: the wall clock returns to 01:00, so that hour happens twice.

    UTC−04:00UTC−05:00 (EDTEST)

  • 2027-03-14T07:00:00.000Z

    Clocks jump forward an hour: 01:59 is followed by 03:00, and the times in between never happen.

    UTC−05:00UTC−04:00 (ESTEDT)

Europe/London

  • 2026-10-25T01:00:00.000Z

    Clocks fall back an hour: the wall clock returns to 01:00, so that hour happens twice.

    UTC+01:00UTC+00:00 (GMT+1GMT)

  • 2027-03-28T01:00:00.000Z

    Clocks jump forward an hour: 00:59 is followed by 02:00, and the times in between never happen.

    UTC+00:00UTC+01:00 (GMTGMT+1)

Convert your own time

Use the form on the home page, or call the API or MCP server. This page is also available as markdown.

Related examples