Change of Active Hours - Start of British Summer Time:   

Start of BST				29/03/2025	30/03/2025
ID-Ref		Service Name	Annotation	Active Hours	Active Hours
314		Adult Channel		22:00:00-05:30:00	21:00:00-04:30:00
1759		CBBC HD		05:31:00-18:58:00	04:31:00-17:58:00
1760		CBeebies HD		05:31:00-18:58:00	04:31:00-17:58:00
1959		XXX GirlGirl		22:00:00-05:30:00	21:00:00-04:30:00
2088		Nat Geo WILD HD		08:00:00-04:59:59	07:00:00-03:59:59
2240		BBC THREE HD	VM England	18:59:00-05:30:00	17:59:00-04:30:00
2241		BBC THREE HD	VM Wales	18:59:00-05:30:00	17:59:00-04:30:00
2242		BBC THREE HD	VM Scotland	18:59:00-05:30:00	17:59:00-04:30:00
2243		BBC THREE HD	VM Northern Ireland	18:59:00-05:30:00	17:59:00-04:30:00
2244		BBC FOUR HD	VM England	18:59:00-05:30:00	17:59:00-04:30:00
2245		BBC FOUR HD	VM Wales	18:59:00-05:30:00	17:59:00-04:30:00
2246		BBC FOUR HD	VM Scotland	18:59:00-05:30:00	17:59:00-04:30:00
2247		BBC FOUR HD	VM Northern Ireland	18:59:00-05:30:00	17:59:00-04:30:00

 

As broadcasting systems work in Coordinated Universal Time (UTC), the active hours have changed to reflect the change to BST.

- Active hours in UTC moved back by 1 hour to counteract the effect of the clocks moving forward by 1 hour for BST.