The UK moved from British Summer Time to Greenwich Mean Time at 02:00 on Sunday, 25 October 2026, turning clocks back one hour. Check household appliances, vehicle displays and traditional clocks that may need setting manually, then confirm the time of any journey or booking with the relevant provider.
The UK clock change took place on 25 October
GOV.UK says clocks go back by one hour at 02:00 on the last Sunday in October. Royal Museums Greenwich lists 25 October as the 2026 date. The change means the UK has returned to Greenwich Mean Time after British Summer Time. For more on the role of Greenwich’s public clock and the shared experience of keeping time, see this wider context.
Many internet-connected phones and computers adjust their time automatically, but this can depend on settings and connectivity. Do not assume a device has changed correctly: compare its display with a reliable current time before relying on it.

Check appliances, car displays and traditional clocks
Walk through the devices you use regularly and check whether each shows the correct time. Some may update automatically; others may require you to change the setting yourself. The device manual or manufacturer’s support instructions can explain how a particular model handles daylight saving time.
- Ovens and microwaves: Check the clock display and reset it if it is still an hour ahead.
- Car dashboards and in-car clocks: Confirm the displayed time before setting off. Check the vehicle handbook for adjustment instructions.
- Wall clocks, alarm clocks and watches: Compare each with a reliable clock and change it manually if needed.
- Other appliances or control panels: Check displays you use for timed settings, and follow the manufacturer’s instructions.
- Phones and computers: Check the time and time-zone settings rather than assuming the change was applied.
If a clock is difficult to set, look up the instructions for the exact device or ask its manufacturer for help. Avoid relying on an unchecked display for an alarm, appointment or timed appliance setting.

Confirm journey and booking times
Before travelling, check departure and appointment times against the latest information from the transport operator, venue or service provider. If a booking was made before the clock change, confirm the stated local time directly with the provider when the timing matters.
For a journey, also check for any service updates and allow enough time to reach your stop or station. A correctly adjusted clock helps, but the provider’s current timetable or booking details are the best reference for the planned time.
Source: GOV.UK
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GOV.UK confirms the one-hour change at 02:00 on the last Sunday in October.
- Clock-change timing and rule
- 2026 date listed by Royal Museums Greenwich
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- GOV.UK
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- United Kingdom
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- 2026-10-25 10:07
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