Gemini Spring Clock Change Update

On Sunday 29th March 2026 the Spring Clock Change is scheduled for between 12:59 GMT to 02:00 BST

Please be advised that over the clock change weekend there will be only minor impacts to Gemini processes, the key changes being:

• The Entry Capacity Day-Ahead auction (DADSEC) bid window will close at 00:00 GMT and bids will be allocated at 00:15 GMT
• We are requesting that all EU Nominations for Gas Day 28th March be submitted by 00:00 GMT. Any EU nominations submitted between 00:00 GMT and 00:59 GMT will not be able to be processed

For further information on all Gemini impacts, please find the following slide pack shared by Xoserve:

Gemini Clock Change

If you have any questions about the Gemini impacts from clock change, please contact us at [email protected]