Daylight saving time 2026–2027
Clock changes don't happen on the same day everywhere, which is why a weekly call can suddenly be an hour off for a week or two.
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- Sunday, October 25: clocks go back one hour in London, Dublin, Lisbon, Paris, Berlin, Madrid and more (13 days away).
- Friday, October 30: clocks go back one hour in Cairo (18 days away).
- Sunday, November 1: clocks go back one hour in New York, Los Angeles, Chicago, Houston, Denver, Anchorage and more (20 days away).
- “What time is it” is searched over a million times a month in the US alone, mostly right before calls and flights.
Next changes by city
| City | Next change | From → to |
|---|---|---|
| New York | Nov 1, 2026 | UTC−4 → UTC−5 |
| Los Angeles | Nov 1, 2026 | UTC−7 → UTC−8 |
| Chicago | Nov 1, 2026 | UTC−5 → UTC−6 |
| Houston | Nov 1, 2026 | UTC−5 → UTC−6 |
| Denver | Nov 1, 2026 | UTC−6 → UTC−7 |
| Anchorage | Nov 1, 2026 | UTC−8 → UTC−9 |
| Toronto | Nov 1, 2026 | UTC−4 → UTC−5 |
| London | Oct 25, 2026 | UTC+1 → UTC+0 |
| Dublin | Oct 25, 2026 | UTC+1 → UTC+0 |
| Lisbon | Oct 25, 2026 | UTC+1 → UTC+0 |
| Paris | Oct 25, 2026 | UTC+2 → UTC+1 |
| Berlin | Oct 25, 2026 | UTC+2 → UTC+1 |
| Madrid | Oct 25, 2026 | UTC+2 → UTC+1 |
| Rome | Oct 25, 2026 | UTC+2 → UTC+1 |
| Amsterdam | Oct 25, 2026 | UTC+2 → UTC+1 |
| Athens | Oct 25, 2026 | UTC+3 → UTC+2 |
| Cairo | Oct 30, 2026 | UTC+3 → UTC+2 |
| Sydney | Apr 4, 2027 | UTC+11 → UTC+10 |
| Melbourne | Apr 4, 2027 | UTC+11 → UTC+10 |
| Auckland | Apr 4, 2027 | UTC+13 → UTC+12 |
The awkward weeks
Europe falls back on the last Sunday of October and the US a week later, on the first Sunday of November. For that one week, New York is only four hours behind London instead of five.
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