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Information for Gatwick Express, Great Northern, Southern and Thameslink customers  

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Service alteration details

Incident reported: Saturday 25 October 2025 at 18:41

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Last updated

Saturday 25 October 2025 at 19:32

Train operators affected

Route(s) affected

Various Gatwick Express, Great Northern, Southern and Thameslink

Description

The autumn clock change is due to take place tonight.

For trains which start their journeys before the clock change, they will continue to operate in British Summer Time throughout their journeys.

When you are checking your journey, if your train is shown to depart a station between 01:00 and 01:59, please expect that it will do so in the hour before the clock change.

At 01:59, the clocks will go back, and will return to 01:00, but trains which are already en route will continue without further delay, despite the new time shown on the clocks.

The following services are affected by this:

Southern and Thameslink Mainline services:

  • 22:43 Bedford to Brighton

  • 23:37 Bedford to Brighton

  • 00:02 Brighton to Bedford

  • 01:08 London Victoria to Brighton

Southern services heading from London towards the Coastway routes:

  • 23:16 London Victoria to Chichester

  • 00:02 London Victoria to Worthing

  • 01:08 Haywards Heath to Eastbourne

Southern "Metro" services:

  • 00:30 London Victoria to Sutton

  • 00:35 London Bridge to East Croydon

  • 00:40 London Victoria to Norwood Junction

  • 00:50 Purley to Tattenham Corner

Great Northern services:

  • 00:02 London Kings Cross to Cambridge

  • 00:18 London Kings Cross to Peterborough

  • 00:32 London Kings Cross to Cambridge

  • 01:07 London Kings Cross to Letchworth Garden City

  • 01:10 London Kings Cross to Hertford North

  • 01:40 London Kings Cross to Welwyn Garden City

Some replacement buses on the Great Northern network will also be affected.

For trains which start their entire journeys after 02:00, they will run in Greenwich Mean Time. This means they will depart according to the new times on the clocks.

Great Northern:

You can see the live departure boards, and view a live map of the network.

You can use the Great Northern app to find up-to-date information.

Southern / Gatwick Express:

You can see the live departure boards, and view a live map of the network.

You can use the Southern app to find up-to-date information.

Thameslink:

You can see the live departure boards, and view a live map of the network.

You can use the Thameslink app to find up-to-date information.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.