--:--:--
—
London · Reykjavik · Accra
For international scheduling, try the global meeting time planner.
--:--:--
—
London · Reykjavik · Accra
--:--:--
—
London · Edinburgh · Cardiff
GMT to BST converter
Convert GMT (London) to BST (London) now. Live clocks, the current time difference, and a simple meeting window — free.
Etc/UTC
—
GMT → BST
To · British Summer Time
—
Europe/London
Interactive diagram
Drag the GMT hour. Watch the British ST clock change.
—
BST ← GMT
Full-day chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| GMT | British ST | UTC offsets |
|---|
Meeting times
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Four short steps to convert any GMT time to BST.
Select any hour in Greenwich Mean Time. Smart mode uses Etc/UTC.
GMT to BST conversion guide
This GMT to BST converter shows British Summer Time (UTC+1) for any Greenwich Mean Time (UTC±0) time. Use it to schedule between London and London. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the GMT and BST labels.
GMT
UTC±0
London · Reykjavik · Accra
British ST
UTC+1
London · Edinburgh · Cardiff
GMT to BST conversion turns a GMT clock into the matching BST time. Use it for calls, travel, and teams in London and London.
BST is 1 hour ahead of GMT. Add 1 hour to the GMT time to get BST. The live clocks at the top show the current GMT to BST gap.
GMT is UTC±0. BST is UTC+1. They are different names. If a region uses daylight saving, check the live labels.
Need gmt to bst right now? Read the live clocks, or tap Use current time for an instant GMT → BST result.
GMT to BST time difference
See how daylight saving can change this pair.
UTC±0
Same as UTC+0 here. London often uses BST in summer.
UTC+1
British Summer Time (BST) is UTC+1. Smart DST uses Europe/London for cities such as London · Edinburgh · Cardiff.
GMT to BST FAQ
BST is 1 hour ahead of GMT. Fixed labels: GMT = UTC±0, BST = UTC+1. Add 1 hour to the GMT time to get BST.
Add 1 hour to the GMT time to get BST. Example: 3:00 AM GMT → 4:00 AM BST. Or use the live GMT to BST converter above.
No. GMT is UTC±0 (London · Reykjavik · Accra). BST is UTC+1 (London · Edinburgh · Cardiff).
These zones are close. A 10:00 AM GMT start is about 11:00 AM BST. That is usually a good call time. Use the meeting planner on this page to export an ICS or Google Calendar invite.
GMT is common in London · Reykjavik · Accra. BST is common in London · Edinburgh · Cardiff. Smart DST uses Etc/UTC and Europe/London.