When is British Summer Time?

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.

British Summer Time (BST)

When do the clocks go forward?

The clocks go forward an hour at the start of British Summer Time 2015 on:

Sunday 29 March at 1.00 am Greenwich Mean Time (GMT)

When do the clocks go back?

The clocks go back an hour at the end of British Summer Time 2015 on:

Sunday 25 October at 2.00 am Greenwich Mean Time.

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.