18:00 BST to UTC
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Daylight saving right now
Coordinated Universal Time
UTC is currently on UTC (UTC+00:00).
no clock change scheduled — this zone is fixed at UTC+00:00
UTC is the reference clock every other offset is quoted against. It has no daylight saving and never shifts.
British Summer Time
Europe/London is on BST (UTC+01:00).
next change: Sun, 25 Oct 2026 01:00 local → GMT (72 days)
BST is the UK's summer clock, UTC+1, from the last Sunday in March to the last Sunday in October. The rest of the year the UK is on GMT, which equals UTC. BST is also Bangladesh Standard Time (UTC+6).
Best time to call green = 09:00–18:00 on both sides
8 overlapping working hours. The longest run is 10:00–18:00 BST, which is 09:00–17:00 UTC.
BST to UTC, hour by hour 13 August 2026 · every row is a permalink
| BST | UTC | 12-hour | Day | Permalink |
|---|---|---|---|---|
| 00:00 | 23:00 UTC | 11:00 PM | previous day | 00:00 → |
| 01:00 | 00:00 UTC | 12:00 AM | same day | 01:00 → |
| 02:00 | 01:00 UTC | 1:00 AM | same day | 02:00 → |
| 03:00 | 02:00 UTC | 2:00 AM | same day | 03:00 → |
| 04:00 | 03:00 UTC | 3:00 AM | same day | 04:00 → |
| 05:00 | 04:00 UTC | 4:00 AM | same day | 05:00 → |
| 06:00 | 05:00 UTC | 5:00 AM | same day | 06:00 → |
| 07:00 | 06:00 UTC | 6:00 AM | same day | 07:00 → |
| 08:00 | 07:00 UTC | 7:00 AM | same day | 08:00 → |
| 09:00 | 08:00 UTC | 8:00 AM | same day | 09:00 → |
| 10:00 | 09:00 UTC | 9:00 AM | same day | 10:00 → |
| 11:00 | 10:00 UTC | 10:00 AM | same day | 11:00 → |
| 12:00 | 11:00 UTC | 11:00 AM | same day | 12:00 → |
| 13:00 | 12:00 UTC | 12:00 PM | same day | 13:00 → |
| 14:00 | 13:00 UTC | 1:00 PM | same day | 14:00 → |
| 15:00 | 14:00 UTC | 2:00 PM | same day | 15:00 → |
| 16:00 | 15:00 UTC | 3:00 PM | same day | 16:00 → |
| 17:00 | 16:00 UTC | 4:00 PM | same day | 17:00 → |
| 18:00 | 17:00 UTC | 5:00 PM | same day | 18:00 → |
| 19:00 | 18:00 UTC | 6:00 PM | same day | 19:00 → |
| 20:00 | 19:00 UTC | 7:00 PM | same day | 20:00 → |
| 21:00 | 20:00 UTC | 8:00 PM | same day | 21:00 → |
| 22:00 | 21:00 UTC | 9:00 PM | same day | 22:00 → |
| 23:00 | 22:00 UTC | 10:00 PM | same day | 23:00 → |