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British Summer Time - UK Clock Change


UK Clocks move forward one hour on Sunday 25th March 2012 01:00 GMT and then in October 2012 Clocks move backwards one hour on Sunday 28th October 2012 02:00 BST.

Future dates

2013: Sundays of 31st March and 27th October
2014: Sundays of 30th March and 26th October
2015: Sundays of 29th March and 25th October
2016: Sundays of 27th March and 30th October

The Summer Time Act 1916 gained royal ascent 17th May 1916. This Act provided for the first introduction of Summer Time in the United Kingdom.It applied to the year 1916, and to such subsequent years during the continuance of the then present war as it might be extended to by Order in Council (the Order in Council needing to be made during the year in question, and during the continuance of the war, though the period of Summer Time might end after the end of the war). It provided for the time to be advanced by one hour (from Greenwich mean time in Great Britain; from Dublin mean time in Ireland) during a specified period each year; for 1916 that period was specified as from Sunday 21 May to Sunday 1 October, each at 2am GMT in Great Britain and 2am Dublin mean time in Ireland; and for subsequent years the period was to be specified by Order in Council.

This was followed by the Summer Time Act 1922 and provided for the first non-emergency provision of Summer Time in the United Kingdom.

The current arrangement is now the Summer Time Order 2002 which laid down that it would be the period beginning at one o'clock, Greenwich mean time, in the morning of the last Sunday in March and ending at one o'clock, Greenwich mean time, in the morning of the last Sunday in October.

In the UK, clocks follow Greenwich Mean Time (GMT) from October to March and British Summer Time (BST) which is GMT + 1 hour from March to October. Most of Europe follows Central European Time, which is one hour ahead of GMT in winter and 2 hours ahead of GMT in summer.

The Daylight Saving Bill 2010–11, a private member's bill by Conservative backbench MP Rebecca Harris is currently progressing through parliament and currently The Bill would require the UK Government to conduct a cross-departmental analysis of the potential costs and benefits of advancing time by one hour for all, or part of, the year. If this analysis found that a clock change would benefit the UK, the Bill requires that the Government initiate a trial clock change to determine the full implications.