11 March 2026
This year Greenwich Mean Time (GMT) ends at 1am on Sunday 29 March 2026 and the clocks will go forwards one hour, to 2am British Summer Time (BST).
This change impacts CDSP systems as follows:
- UK LINK, IX, GES, EFT, CMS and DDP – system clocks go forwards to BST at the normal time of 1am GMT - no outage is required and there are no anticipated customer impacts.
- Gemini – system clocks go forwards to BST at the normal time of 1am GMT - no outage is required, however, some Gemini processes will be impacted during the clock change window.
More information about the Gemini business processes impacted by the clock change is available below.
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
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