13 October 2025
This year British Summer Time (BST) ends at 2am on Sunday 26 October 2025 and the clocks will go backwards one hour, to 1am Greenwich Mean Time (GMT).
This change impacts CDSP systems as follows:
- UK LINK, IX, GES, EFT, CMS and DDP – system clocks go backwards to GMT at the normal time of 2am BST – no outage is required and there are no anticipated customer impacts.
- Gemini – system clocks go backwards to GMT at the normal time of 2am BST. Additional guidance regarding the business process adjustments during the clock change window, will be provided in due course.
Please note that there will be no outage on Gemini.
Contact us
If you have any issues or concerns about this year's clock change please raise a support request.
Alternatively you can contact the Xoserve Service Desk on 0845 600 0506 or by e-mail at servicedesk@xoserve.co.uk
Share this news article