In 2026, the clocks in the European Union (EU) and the United Kingdom (UK) will change on the last Sunday of March and the last Sunday of October. Specifically, the clocks will spring forward at 01:00 UTC on Sunday, March 29, 2026, and fall back at 01:00 UTC on Sunday, October 25, 2026. This temporary shift creates a three-week scheduling gap with the United States in the spring, which changes on the second Sunday of March, and a two-week gap in the autumn, when the US changes on the first Sunday of November.

Understanding these exact dates is crucial for remote teams and businesses coordinating across the Atlantic. The time difference between the UK and the US East Coast normally fluctuates between 4 and 5 hours. During the transition periods, this gap shifts temporarily, which can cause scheduling errors if not accounted for.

Image: Map of Europe highlighting EU and UK countries

Alt: Countries observing European Summer Time

The Rules of European Daylight Saving Time

Daylight Saving Time (DST) in Europe and the UK follows a synchronized schedule. Since 1996, the EU has mandated that all member states (and the UK, which historically followed the same rules) change their clocks on the same dates to ensure smooth transportation and trade.

The Spring Forward (Summer Time begins):
Clocks move forward one hour at 01:00 UTC on the last Sunday of March. For the UK, this means moving from Greenwich Mean Time (GMT) to British Summer Time (BST). For most of the EU, this means moving from Central European Time (CET) to Central European Summer Time (CEST).

The Fall Back (Summer Time ends):
Clocks move backward one hour at 01:00 UTC on the last Sunday of October. The UK returns to GMT, and the EU returns to its standard winter time.

2026 DST Change Dates for the EU and UK

In 2026, the exact dates for the clock changes in Europe and the UK are as follows:

The Scheduling Gap with the United States

While Europe and the UK are perfectly synchronized with each other, they are not synchronized with the United States. The US changes its clocks on different dates: the second Sunday of March and the first Sunday of November.

The 3-Week Spring Gap:
In 2026, the US will spring forward on March 8. The EU and UK will not change their clocks until March 29. During this 3-week period, the UK is on GMT (UTC+0) while the US East Coast is on Eastern Daylight Time (UTC-4). This reduces the normal 5-hour difference to just 4 hours.

The 2-Week Autumn Gap:
In the autumn, the EU and UK fall back on October 25. The US will not change its clocks until November 1. During this 1-week period, the UK is on BST (UTC+1) while the US East Coast is on Eastern Daylight Time (UTC-4). This increases the normal 5-hour difference to 6 hours.

Global Variations in Timekeeping

Not all regions observe Daylight Saving Time. For example, Russia stopped observing DST in 2014 and remains on permanent "summer" time. Other major economies like China, Japan, and India do not observe DST at all.

Furthermore, the IANA timezone database maintains over 390 active timezones to account for these variations. Some regions even use non-standard offsets. For instance, India operates on UTC+5:30, while Nepal uses a unique UTC+5:45. Even within countries that observe DST, like the US, there are exceptions: Hawaii and most of Arizona do not change their clocks.

Conclusion

Navigating the time differences between the EU, UK, and US requires careful attention during the transition periods in March and October. By understanding the specific 2026 dates—March 29 for the spring forward and October 25 for the fall back—remote teams can avoid scheduling errors and ensure seamless collaboration.

Schedule Your Next Meeting

Need to coordinate between New York and London during the DST transition? Use our converter to find the perfect time.