Understanding the UK Time System: GMT and BST Explained

Learn about the UK time system, including GMT and BST transitions throughout the year.

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The UK uses the Greenwich Mean Time (GMT) during the winter months and transitions to British Summer Time (BST), which is GMT+1, in the summer. This change usually happens in the last week of March and reverts in the last week of October.

FAQs & Answers

  1. When does the UK switch to British Summer Time? The UK transitions to British Summer Time (BST) during the last week of March.
  2. Why does the UK have two time systems? The UK uses Greenwich Mean Time (GMT) in winter and British Summer Time (BST) for daylight saving in summer.
  3. What is Greenwich Mean Time? Greenwich Mean Time (GMT) is the time standard from which all UK time and many other time zones are calculated.
  4. How long does British Summer Time last? British Summer Time lasts from the last week of March until the last week of October.

Watch More

For more insights into timekeeping, check our related videos on how daylight saving time affects different countries and the history of time zones.

  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 Under GMT? Understanding Time Zones and Daylight Saving Learn about the UK's time zone changes between GMT and BST throughout the year.
  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.