10 AM GMT to BST
10 AM GMT = 10 AM BST. BST is the same local clock of GMT today.
9 hours of the workday overlap: 9 AM-6 PM GMT is 9 AM-6 PM BST. Quick answers: 9 AM GMT = 9 AM BST, 12 PM GMT = 12 PM BST, 5 PM GMT = 5 PM BST.
Convert a time
BST
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Working hours side by side
columns: GMT hours PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged
GMT to BST conversion table
| GMT | BST | Verdict in BST |
|---|---|---|
| 12 AM · 00:00 | 12 AM · 00:00 | NOT NOW |
| 1 AM · 01:00 | 1 AM · 01:00 | NOT NOW |
| 2 AM · 02:00 | 2 AM · 02:00 | NOT NOW |
| 3 AM · 03:00 | 3 AM · 03:00 | NOT NOW |
| 4 AM · 04:00 | 4 AM · 04:00 | NOT NOW |
| 5 AM · 05:00 | 5 AM · 05:00 | NOT NOW |
| 6 AM · 06:00 | 6 AM · 06:00 | NOT NOW |
| 7 AM · 07:00 | 7 AM · 07:00 | MAYBE |
| 8 AM · 08:00 | 8 AM · 08:00 | MAYBE |
| 9 AM · 09:00 | 9 AM · 09:00 | PING |
| 10 AM · 10:00 | 10 AM · 10:00 | PING |
| 11 AM · 11:00 | 11 AM · 11:00 | PING |
| 12 PM · 12:00 | 12 PM · 12:00 | PING |
| 1 PM · 13:00 | 1 PM · 13:00 | PING |
| 2 PM · 14:00 | 2 PM · 14:00 | PING |
| 3 PM · 15:00 | 3 PM · 15:00 | PING |
| 4 PM · 16:00 | 4 PM · 16:00 | PING |
| 5 PM · 17:00 | 5 PM · 17:00 | PING |
| 6 PM · 18:00 | 6 PM · 18:00 | MAYBE |
| 7 PM · 19:00 | 7 PM · 19:00 | MAYBE |
| 8 PM · 20:00 | 8 PM · 20:00 | MAYBE |
| 9 PM · 21:00 | 9 PM · 21:00 | NOT NOW |
| 10 PM · 22:00 | 10 PM · 22:00 | NOT NOW |
| 11 PM · 23:00 | 11 PM · 23:00 | NOT NOW |
Cities on GMT
Etc/GMTCities on BST
Europe/LondonOther conversions
All convertersQuestions
What is the time difference between GMT and BST?
BST (British Summer Time) is the same local clock of GMT (Greenwich Mean Time) right now: UTC+0 versus UTC+0.
What is 9 AM GMT in BST?
9:00 AM GMT is 9 AM BST.
What is 5 PM GMT in BST?
5:00 PM GMT is 5 PM BST.
Does daylight saving change the GMT–BST difference?
GMT has no daylight saving; it stays UTC+0 all year. London switches between BST; next change Sunday, 28 March 2027 (UTC+0 → UTC+1).