Did the clocks go back? UK autumn clock change 2025 explained

The October clock change is one of the few annual events that unites the entire UK in a silent, automated shift. In 2025, the clocks went back on the last Sunday of October at 2:00am, a date confirmed by the UK government’s official guidance.

Change date: 26 October 2025 ·
Time: 2:00am BST → 1:00am GMT ·
Next change: 29 March 2026 (spring forward)

Four key facts, one pattern: the UK’s clock change rule is remarkably consistent — the last Sunday of October has been the fixed point for autumn for decades, making the 2025 shift completely predictable.

Did the clocks go back in October 2025?

Yes — in the UK, the clocks went back in October 2025. The official schedule published by GOV.UK (the UK government’s digital service) lists Sunday, 26 October 2025 as the autumn change date. The same date is confirmed by Time Out (London culture magazine) and Sky HISTORY (historical documentary channel), and by RAC Drive (motoring organisation).

Official confirmation

• GOV.UK states: “The clocks go back by 1 hour at 2:00am on the last Sunday in October” (GOV.UK)
• The 2025 schedule explicitly shows 26 October as the “clocks go back” date (GOV.UK)

Cross-verification

• Time Out reported the same date and time, adding that it meant “an extra hour of sleep” (Time Out)
• Sky HISTORY confirmed “at precisely 2:00am on Sunday, 26 October 2025, the clocks went back one hour” (Sky HISTORY)
• The RAC also listed 26 October 2025 as the change date (RAC Drive)

The implication: For anyone relying on phone or internet-connected devices, the change happens automatically. But manual clocks, car displays, and older alarm clocks still require human adjustment — a small but persistent source of confusion every autumn.

What time did the clocks change?

The clocks changed at 2:00am local time on Sunday, 26 October 2025. At that moment, the time became 1:00am GMT, effectively repeating the hour from 1:00am to 2:00am. This is the standard procedure under the Summer Time Act 1972, as described by GOV.UK (UK government official guidance).

The pattern: The 2am switch is the least disruptive moment for daily life, but manual clocks still need adjusting.

Why do the clocks go back?

The autumn change ends British Summer Time (BST) and returns the UK to Greenwich Mean Time (GMT). The purpose, originally introduced during World War I and later standardised, is to make better use of daylight during the spring and summer months. When the clocks go back, sunrise occurs earlier in the morning and sunset arrives earlier in the afternoon.

The rule is fixed: the clocks go back on the last Sunday of October and go forward on the last Sunday of March, as confirmed by GOV.UK (UK government official guidance).

What the sources say

• GOV.UK (UK government official guidance) describes BST as “the period when clocks are 1 hour ahead”
• RAC Drive (motoring organisation) calls the October change “the end of Daylight Saving Time and the return to standard time”

The implication: The return to GMT means darker evenings but brighter mornings.

What is British Summer Time?

British Summer Time (BST) is the daylight saving period observed in the UK from the last Sunday of March to the last Sunday of October. During BST, clocks are set one hour ahead of GMT, meaning the sun appears to rise and set one hour later on the clock. The UK government’s official guidance states that “the period when the clocks are 1 hour ahead is called British Summer Time (BST)” (GOV.UK).

What is Greenwich Mean Time?

Greenwich Mean Time (GMT) is the standard time zone of the UK, used from autumn to spring when BST is not in effect. According to GOV.UK (UK government official guidance), “when the clocks go back, the UK is on Greenwich Mean Time (GMT)”. GMT is based on the solar time at the Royal Observatory in Greenwich, London.

When will the clocks go forward again?

The next spring change will occur on Sunday, 29 March 2026. At 1:00am GMT, clocks will jump forward to 2:00am BST, which means losing an hour of sleep. This date is listed by both GOV.UK (UK government official guidance) and RAC Drive (motoring organisation).

Timeline of the 2025 clock change

• 26 October 2025, 1:59am BST — last minute of British Summer Time (GOV.UK)
• 26 October 2025, 2:00am BST — clocks go back to 1:00am GMT (GOV.UK)
• 26 October 2025, 1:00am GMT — GMT resumes; sunrise and sunset times shift (GOV.UK)
• After change — sunset around 4:00pm in much of the UK, as noted by Sky HISTORY (historical documentary channel)

The catch: While the clocks change automatically on devices, the shift in daylight hours affects commuters and school runs.

What we know and what’s still unclear

Confirmed facts

• The UK clocks went back on 26 October 2025 at 2:00am (GOV.UK, Time Out (London culture magazine), RAC Drive (motoring organisation))
• The change was from BST to GMT (GOV.UK)
• The spring forward 2026 is scheduled for 29 March (RAC Drive)

What’s unclear

• No uncertainties exist about the 2025 date or time. All primary and secondary sources agree perfectly.
• The long-term debate about abolishing daylight saving time in the EU and UK remains unresolved, but no changes are planned for 2026.
• Minor variations in sunrise/sunset times after the change are location-specific but well documented (Sky HISTORY).

What this means: For 2025, the clock change is a settled fact with no controversy.

Official statements and expert views

The clocks go back by 1 hour at 2:00am on the last Sunday in October.

GOV.UK (UK government official guidance)

The end of British Summer Time in 2025 meant an extra hour of sleep.

Time Out (London culture magazine)

At precisely 2:00am on Sunday, 26 October 2025, the clocks went back one hour.

Sky HISTORY (historical documentary channel)

The October change sees the end of Daylight Saving Time and the return to standard time.

RAC Drive (motoring organisation)

The 2025 UK clock change was textbook: the last Sunday of October at 2:00am, BST surrendered to GMT, and the nation gained an extra hour of sleep. No surprises, no contradictions across sources. For the estimated 5 million UK households that still set manual devices, the real lesson is to check your car clock and your bedside alarm before Monday morning. For those relying on smart devices, the change is seamless — but the early sunset is a reminder that winter has truly arrived.

For official confirmation and full details on the 2025 date, see the in-depth coverage of UK autumn clock change 2025, which explains the transition clearly.

Frequently asked questions