When Does GMT Change to BST? Understanding UK Time Changes

Discover when GMT changes to BST and learn about UK time changes throughout the year.

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In the UK, GMT changes to BST on the last Sunday in March each year, when clocks move forward by one hour at 1:00 AM GMT. BST then reverts back to GMT on the last Sunday in October, when clocks move back by one hour at 2:00 AM BST.

FAQs & Answers

  1. What is the difference between GMT and BST? GMT (Greenwich Mean Time) is the standard time zone, while BST (British Summer Time) is observed during daylight saving time in the UK.
  2. Why do clocks change in the UK? Clocks change in the UK to make better use of daylight during the longer days of summer, improving energy efficiency.
  3. When does daylight saving time end in the UK? Daylight saving time ends in the UK on the last Sunday in October, when clocks revert back to GMT.
  4. Is BST the same as daylight saving time? Yes, BST is the UK's version of daylight saving time, where clocks move forward by one hour.

Watch More

For more insights on time changes and their impact, check out our video on the history of daylight saving time and its global variations.

  1. Understanding UK Time: GMT and BST Explained Learn how the UK uses GMT and BST, including daylight saving adjustments throughout the year.
  2. Is the UK Currently Observing GMT or BST? Find out if the UK is on GMT or BST right now. Learn about the seasonal time changes in the United Kingdom.
  3. Understanding the UK's Time Change: British Summer Time Explained Learn about the UK's time change to British Summer Time and why it's important for daylight savings.
  4. Understanding BST: What is British Summer Time? Discover what BST means and how British Summer Time affects daylight during the summer months in the UK.