What is the Standard Time in the UK? Understanding GMT and BST Explained

Learn about the UK's standard time including Greenwich Mean Time (GMT) in winter and British Summer Time (BST) in summer with key date changes.

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Standard time in the UK is typically Greenwich Mean Time (GMT) during the winter months and British Summer Time (BST), which is GMT+1, during the summer months. This shift usually occurs in the last Sunday of March and the last Sunday of October.

FAQs & Answers

  1. What is Greenwich Mean Time (GMT)? Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London, and is used as a standard time reference during the UK’s winter months.
  2. When does the UK switch between GMT and BST? The UK switches to British Summer Time (BST), which is GMT+1, on the last Sunday in March and reverts back to GMT on the last Sunday in October.
  3. What is British Summer Time (BST)? British Summer Time (BST) is the UK's daylight saving time during the summer months, advancing clocks by one hour to GMT+1 to make better use of daylight.

Watch More

For more information on global time zones and daylight saving changes, check out our related videos on time zone differences and international timekeeping practices to better understand how time is managed worldwide.

  1. Understanding the UK Time System: GMT and BST Explained Learn about the UK time system, including GMT and BST transitions throughout the year.
  2. Understanding UK Time: GMT and BST Explained Learn how the UK uses GMT and BST, including daylight saving adjustments throughout the year.
  3. Understanding UK Time Zones: Are We on GMT Now? Learn about the UK's time standard changes and whether it's GMT or BST currently.
  4. What Time Zone Does the UK Use Now? GMT or BST Explained Discover the current UK time zone: Greenwich Mean Time (GMT) or British Summer Time (BST) and when each is observed throughout the year.