daylight saving time September 27, 2015 transfer transfer United States European Union Year DST Begins at 2 a.m. DST Ends at 2 a.m. Summertime period begins at 1 a.m. UT Summertime period ends at 1 a.m. UT 2010 March 14 November 7 March 28 October 31 2011 March 13 November 6 March 27 October 30 2012 March 11 November 4 March 25 October 28 2013 March 10 November 3 March 31 October 27 2014 March 9 November 2 March 30 October 26 March 8 November 1 March 29 October 25 US calculator valid 1976-2099; EU 1996-2099. Change with up/down key.