When Do the Clocks Go Back 2025 – Exact UK Date and Time

On Sunday, 26 October 2025, clocks in the United Kingdom will shift back by one hour, marking the end of British Summer Time. At 2am BST, the clocks will move to 1am GMT, restoring Greenwich Mean Time across England, Scotland, Wales, and Northern Ireland. This twice-yearly adjustment affects every region of the UK without exception, bringing darker evenings and an extra hour of sleep for those awake at the transition moment.

The change follows a predictable pattern established under the Summer Time Act 1972, occurring on the last Sunday of March and the last Sunday of October. While proposals to abolish seasonal clock changes have circulated within the European Union, those discussions stalled after 2019, leaving the current arrangement firmly in place for the foreseeable future.

When do the clocks go back in 2025 in the UK?

The clocks go back on Sunday, 26 October 2025, at 2am British Summer Time. When that moment arrives, the time immediately becomes 1am Greenwich Mean Time. The effect is immediate and nationwide: dawn arrives later in the morning, while sunset comes earlier in the afternoon and evening.

• The change grants an extra hour of sleep for those awake at 2am on the transition night
• Darkness arrives noticeably earlier, with sunset in London around 4:45pm by early November
• Morning rush hour visibility may improve temporarily as sunrise occurs later
• Energy consumption patterns shift as evening electricity demand changes
• Road safety advocates urge drivers to adjust to darker conditions, particularly during the evening commute
• The transition affects all digital devices connected to network time servers automatically

Event	2025 Date/Time	2026 Date/Time
Clocks forward	30 March, 1am	29 March, 1am
Clocks back	26 October, 2am	25 October, 2am

Date discrepancy explained

One source, the RAC Foundation, lists 25 October as the date for the clock change, creating apparent confusion. However, the official GOV.UK website, last updated in November 2025, clearly confirms 26 October 2025 as the correct date. The confusion arises because 25 October 2026 is indeed the last Sunday of October in that year, while 26 October 2025 is the last Sunday of October 2025. Both dates are correct for their respective years but serve different calendar years.

When do the clocks go forward in 2026?

The next forward transition occurs on Sunday, 29 March 2026, when clocks move forward from 1am GMT to 2am BST. This marks the beginning of British Summer Time for 2026 and signals the gradual return to longer summer evenings. The pattern remains consistent: clocks advance by one hour on the last Sunday of March and retreat on the last Sunday of October.

The UK has followed this twice-yearly cycle since the Summer Time Act formalised the arrangement in 1972. EU discussions to end seasonal clock changes stalled following a 2019 vote, and the United Kingdom, having left the European Union, continues operating under its established schedule. No parliamentary moves to alter the current system have gained significant traction in recent years.

2025 autumn transition

The 26 October 2025 change concludes a summer period that began on 30 March, when clocks shifted forward from GMT to BST. Throughout the summer months, daylight saving time provided later sunsets, extending daylight into the evening hours. The autumn return to GMT restores the standard time reference that Greenwich Mean Time has provided since 1884.

When does the clocks go back generally?

The UK clock change follows a straightforward rule: on the last Sunday of March, clocks advance one hour at 1am GMT (moving to 2am BST), and on the last Sunday of October, they retreat one hour at 2am BST (returning to 1am GMT). This schedule has remained unchanged since 1972, surviving multiple government reviews and public debates about daylight saving.

The reasoning behind seasonal time changes

British Summer Time exists primarily to maximise daylight during working and leisure hours. By shifting clocks forward in spring, the evening hours retain more natural light during the months when people are most likely to be active outdoors. The autumn return to standard time ensures mornings remain reasonably bright as winter approaches, though critics note that the afternoon darkness arrives swiftly after the change.

The practice originated during World War One as an energy conservation measure, though subsequent research has questioned the magnitude of any fuel savings. Today, the debate continues in various forums, with supporters emphasising recreational benefits and opponents raising concerns about health impacts and the logic of shifting a natural cycle.

1. 30 March 2025 — Clocks forward, BST begins
2. 26 October 2025 — Clocks back, BST ends, GMT returns
3. 29 March 2026 — Clocks forward, BST begins
4. 25 October 2026 — Clocks back, BST ends

What does the clock change mean for the UK?

The transition to Greenwich Mean Time reshapes daily routines throughout the darker months. Afternoon light fades earlier, affecting commute visibility and after-school activities. Children outdoors at play may find themselves in darkness by mid-afternoon in certain locations. Conversely, mornings become brighter, which some commuters and parents appreciate during the early rush.

Road safety organisations typically issue guidance around the October change, warning drivers to anticipate reduced visibility during evening rush hours. The sudden shift of one hour can catch drivers unprepared, particularly in the first week following the change. Pedestrians and cyclists are especially vulnerable during this adjustment period.

Established information	Information that remains unclear
The official date is 26 October 2025, confirmed by GOV.UK	Whether the UK will eventually adopt permanent summer or winter time
Clocks change at 2am local time nationwide	The specific fate of EU clock change proposals post-Brexit
The change applies equally to all UK regions	Future government intentions regarding clock change legislation
The RAC Foundation date of 25 October appears to refer to 2026, not 2025	Long-term energy impact studies specific to current UK usage patterns

Energy consumption patterns shift subtly with the clock change, though the actual savings have proven difficult to isolate from other factors such as weather variations and heating systems. The transition itself causes minimal disruption to most daily activities, as modern digital devices automatically update their internal clocks through network time servers.

The official GOV.UK page confirms: Clocks go back 26 October 2025, ending British Summer Time and returning the UK to Greenwich Mean Time.

For those planning ahead, the next major date to note is 29 March 2026, when clocks shift forward to begin the next British Summer Time period. Seasonal affective disorder researchers have noted that the autumn clock change can affect mood in some individuals, though the evidence remains mixed regarding the scale of any psychological impact.

Where to find official information

The authoritative source for UK clock change dates remains the GOV.UK when-do-the-clocks-change page, which publishes a full table of upcoming changes and confirms dates in advance of each transition. Royal Museums Greenwich, which manages the Prime Meridian and Greenwich Mean Time observatory, also maintains reliable historical and current information about the British time system.

For those seeking time-specific data for their exact location within the UK, the timeanddate.com London page provides detailed sunrise and sunset times alongside clock change information. Local news outlets typically publish reminders in the weeks preceding each transition, though their dates should be verified against the official government source.

Royal Museums Greenwich explains that British Summer Time was introduced to provide more daylight in the evenings during summer months, a practice that has continued with minor variations since its wartime origins.

Summary

Clocks in the United Kingdom will go back on Sunday, 26 October 2025, at 2am British Summer Time, returning the country to Greenwich Mean Time. This change marks the end of the summer daylight saving period and brings earlier sunsets throughout the winter months. The transition occurs uniformly across England, Scotland, Wales, and Northern Ireland, with no regional exceptions. The next change will occur on 29 March 2026, when clocks shift forward to begin British Summer Time once again.

For related guides on UK scheduling and time matters, see our Sky Arts TV Guide – Tonight’s Schedule and Channel Guide.

When do the clocks go forward in 2026?

The clocks go forward on Sunday, 29 March 2026, at 1am GMT, shifting to 2am BST and beginning British Summer Time for that year.

When do the clocks go back in 2026?

The clocks go back on Sunday, 25 October 2026, at 2am BST, returning to 1am GMT and ending British Summer Time for 2026.

What happens when the clocks go back?

When the clocks go back, they shift one hour earlier, effectively adding an extra hour to the night. Sunrise and sunset occur earlier the following day, making mornings brighter but afternoons darker.

Do the clocks change on the same date every year?

Not exactly. The rule is the last Sunday of March (forward) and the last Sunday of October (back), which falls on different calendar dates each year. For example, the last Sunday of October 2025 is 26 October, while in 2026 it falls on 25 October.

Do clocks change at the same time everywhere in the UK?

Yes. The change occurs at 2am local time, which means it happens simultaneously across England, Scotland, Wales, and Northern Ireland, since the entire UK uses a single time zone during GMT periods.

Will the UK ever stop changing the clocks?

EU proposals to end seasonal clock changes stalled after 2019. No current legislation proposes ending the practice in the UK, though the topic occasionally surfaces in public discussion.