Daylight Saving Time 2027 — When Do Clocks Change?

The spring gap between the US and Europe is shorter than in 2026: 14 days (March 14 through March 27), against 21 last year. That's two weeks of four-hour New York to London gaps, not three.

In autumn Europe goes back on October 31, which is as late as the last Sunday of October can fall, and the US follows a week later on November 7. So 7 days from October 31 through November 6 have a four-hour gap again.

The first Sunday of November can't fall later than November 7, so November 7 is the latest date US clocks can go back, and March 14 is likewise the latest possible second Sunday of March.

European summer time runs 31 weeks this year. Australia and New Zealand change in the other direction: April 4 (back to standard time) and October 3 (forward) for Sydney and Melbourne, September 26 for New Zealand.

The 2027 Men's Rugby World Cup runs from October 1 to November 13 in Australia, and Australia's clock change falls on October 3, two days into the tournament, with Europe changing four weeks later. Take an evening match with a 7:00 PM local kickoff (an example, not a real fixture time) and see where London viewers end up:

The US and Europe don't change on the same weekends, so for 14 days in spring and 7 in autumn the New York to London gap is four hours instead of five. Here's what a Monday 10:00 AM New York call looks like on a London calendar through 2027:

A few places have dropped the clock change in recent years, and their last change is easy to date. The table is read from the time zone database: the date is the last time the zone's offset moved, and the last column says where it ended up.