When is British Summer Time (BST)?
The clocks go forward an hour at the start of British Summer Time on Sunday 27 March 2011 at 1.00 am Greenwich Mean Time (GMT)
The clocks go back an hour at the end of British Summer Time on Sunday 30 October at 2.00 am Greenwich Mean Time.
What is British Summer Time (BST)
British Summer Time (BST) is when the clocks move forward one hour from GMT or Coordinated Universal Time (UTC).
British Summer Time is also known as the Western European Summer Time (WEST) and the Daylight Saving Scheme.
How long does British Summer Time last?
British Summer Time runs from the last Sunday in March (at 1.00 am GMT/UTC) until the last Sunday in October at 1.00 am, when the clocks move back an hour.
Countries that British Summer Time applies to
BST/WEST applies to the following countries:
The United Kingdom The Republic of Ireland (where it's also known as Irish Standard Time - IST) The Canary Islands The Faroe Islands The Madeira Islands Continental Portugal The Crown Dependencies