11. He opposed making British Summer Time permanent. 12. I've had a look at the British Summer Time article but this isn't entirely clear to me. 13. The race started at 9 : 00 a . m . British Summer Time on 4 August 2012. 14. :It's in British Summer Time . 15. In the United Kingdom, from 1940 to 1945 British Summer Time ( BST = BST was used all year round. 16. Note that all the times are given in UTC ( roughly speaking, the time at Greenwich, ignoring British Summer Time ). 17. What year did the current start / end dates ( last Sunday of March-last Sunday of October ) for British Summer Time start? 18. As in, who decides what day we change to British Summer Time ?-- email ) 16 : 45, 12 October 2005 ( UTC) 19. :: In the UK, the sun will always be exactly south at 12 noon Greenwich mean time or 1 pm British Summer Time . 20. For example, the seven-hour period might start at 1.30am during British Summer Time and 12 : 30am during Greenwich Mean Time ( winter ).