GMT to BST time difference
BST is 1 hour ahead of GMT right now. The difference changes between 0 hours and 1 hour during the year because of daylight saving time.
Quick examples: 9:00 AM GMT = 10:00 AM BST · 12:00 PM GMT = 1:00 PM BST · 5:00 PM GMT = 6:00 PM BST
GMT to BST conversion table
| Greenwich Mean Time (GMT) | UK Time (BST) |
|---|---|
| 12:00 AM GMT | 1:00 AM BST |
| 1:00 AM GMT | 2:00 AM BST |
| 2:00 AM GMT | 3:00 AM BST |
| 3:00 AM GMT | 4:00 AM BST |
| 4:00 AM GMT | 5:00 AM BST |
| 5:00 AM GMT | 6:00 AM BST |
| 6:00 AM GMT | 7:00 AM BST |
| 7:00 AM GMT | 8:00 AM BST |
| 8:00 AM GMT | 9:00 AM BST |
| 9:00 AM GMT | 10:00 AM BST |
| 10:00 AM GMT | 11:00 AM BST |
| 11:00 AM GMT | 12:00 PM BST |
| 12:00 PM GMT | 1:00 PM BST |
| 1:00 PM GMT | 2:00 PM BST |
| 2:00 PM GMT | 3:00 PM BST |
| 3:00 PM GMT | 4:00 PM BST |
| 4:00 PM GMT | 5:00 PM BST |
| 5:00 PM GMT | 6:00 PM BST |
| 6:00 PM GMT | 7:00 PM BST |
| 7:00 PM GMT | 8:00 PM BST |
| 8:00 PM GMT | 9:00 PM BST |
| 9:00 PM GMT | 10:00 PM BST |
| 10:00 PM GMT | 11:00 PM BST |
| 11:00 PM GMT | 12:00 AM BST (next day) |
How to convert GMT to BST
- Pick a date and time in Greenwich Mean Time.
- The matching UK Time time appears instantly on the right.
- Use the ⇄ button to convert BST to GMT instead.
About Greenwich Mean Time and UK Time
Greenwich Mean Time (GMT) is used in the Greenwich meridian (London in winter, Iceland, and West Africa). UK Time (BST) is used in London, Manchester, Edinburgh and Dublin.
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Frequently asked questions
What is the time difference between GMT and BST?
BST is 1 hour ahead of GMT right now. The difference changes between 0 hours and 1 hour during the year because of daylight saving time.
How do I convert GMT to BST?
Add 1 hour to the GMT time. For example, 12:00 PM GMT is 1:00 PM BST.
Where is GMT used?
Greenwich Mean Time is used in the Greenwich meridian (London in winter, Iceland, and West Africa).
Where is BST used?
UK Time is used in London, Manchester, Edinburgh and Dublin.
Does this converter handle daylight saving time?
Yes. The converter uses the official time zone database, so it automatically applies daylight saving time for the date you pick.