Convert Greenwich Mean Time (GMT) to British Summer Time (BST) instantly. Free, fast and accurate time zone converter with real-time updates.
| GMT Time | BST Time |
|---|---|
| 12:00 AM GMT | 1:00 AM BST |
| 12:30 AM GMT | 1:30 AM BST |
| 1:00 AM GMT | 2:00 AM BST |
| 1:30 AM GMT | 2:30 AM BST |
| 2:00 AM GMT | 3:00 AM BST |
| 2:30 AM GMT | 3:30 AM BST |
| 3:00 AM GMT | 4:00 AM BST |
| 3:30 AM GMT | 4:30 AM BST |
| 4:00 AM GMT | 5:00 AM BST |
| 4:30 AM GMT | 5:30 AM BST |
| 5:00 AM GMT | 6:00 AM BST |
| 5:30 AM GMT | 6:30 AM BST |
| 6:00 AM GMT | 7:00 AM BST |
| 6:30 AM GMT | 7:30 AM BST |
| 7:00 AM GMT | 8:00 AM BST |
| 7:30 AM GMT | 8:30 AM BST |
| 8:00 AM GMT | 9:00 AM BST |
| 8:30 AM GMT | 9:30 AM BST |
| 9:00 AM GMT | 10:00 AM BST |
| 9:30 AM GMT | 10:30 AM BST |
| 10:00 AM GMT | 11:00 AM BST |
| 10:30 AM GMT | 11:30 AM BST |
| 11:00 AM GMT | 12:00 PM BST |
| 11:30 AM GMT | 12:30 PM BST |
| 12:00 PM GMT | 1:00 PM BST |
| 12:30 PM GMT | 1:30 PM BST |
| 1:00 PM GMT | 2:00 PM BST |
| 1:30 PM GMT | 2:30 PM BST |
| 2:00 PM GMT | 3:00 PM BST |
| 2:30 PM GMT | 3:30 PM BST |
| 3:00 PM GMT | 4:00 PM BST |
| 3:30 PM GMT | 4:30 PM BST |
| 4:00 PM GMT | 5:00 PM BST |
| 4:30 PM GMT | 5:30 PM BST |
| 5:00 PM GMT | 6:00 PM BST |
| 5:30 PM GMT | 6:30 PM BST |
| 6:00 PM GMT | 7:00 PM BST |
| 6:30 PM GMT | 7:30 PM BST |
| 7:00 PM GMT | 8:00 PM BST |
| 7:30 PM GMT | 8:30 PM BST |
| 8:00 PM GMT | 9:00 PM BST |
| 8:30 PM GMT | 9:30 PM BST |
| 9:00 PM GMT | 10:00 PM BST |
| 9:30 PM GMT | 10:30 PM BST |
| 10:00 PM GMT | 11:00 PM BST |
| 10:30 PM GMT | 11:30 PM BST |
| 11:00 PM GMT | 12:00 AM BST |
| 11:30 PM GMT | 12:30 AM BST |
British Summer Time (BST) is 1 hour ahead of Greenwich Mean Time (GMT). When converting from GMT to BST, you need to add 1 hour to get the correct time.
When it's 12:00 PM (noon) in Greenwich Mean Time, it's 1:00 PM in British Summer Time. This is because BST is 1 hour ahead of GMT.
When it's 12:00 AM (midnight) in Greenwich Mean Time, it's 1:00 AM in British Summer Time.
Greenwich Mean Time (GMT) has a UTC offset of +0:00, while British Summer Time (BST) has a UTC offset of +1:00.
Simply add 1 hour to the GMT time. For example, 3:00 PM GMT becomes 4:00 PM BST.
The best time depends on both parties' schedules. A common overlap during business hours (9 AM - 5 PM) would be when it's early morning in GMT. Use our converter to find the perfect time.
Daylight Saving Time (DST) observance varies by region. Some areas within Greenwich Mean Time and British Summer Time zones may observe DST, which can temporarily change the time difference by 1 hour.
Greenwich Mean Time (GMT) is used by various countries and regions around the world. The UTC offset of +0:00 is shared by multiple time zones.
British Summer Time (BST) is used by various countries and regions around the world. With a UTC offset of +1:00, this time zone covers multiple geographic areas.
Yes! Remember that BST is always 1 hour ahead of GMT. If it's noon in GMT, it's 1:00 PM in BST. Bookmark this page for quick reference!
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