London to UTC — Time Zone Converter
GMT/BST (UTC+1) → UTC (UTC+0). UTC is 1 hour behind relative to London right now.
London
Oct 7, 2026, 12:54 PM
UTC
Oct 7, 2026, 11:54 AM
Need the reverse? UTC to London →
Sample times — GMT/BST to UTC
Sample conversions for today; daylight saving applied.
About London and UTCLondon vs UTC time difference through 2026
The gap changes twice during 2026, because only London observes daylight saving time. Double-check meetings booked in the weeks around each switch.
Dates (2026) GMT/BST UTC Difference Jan 1 – Mar 28 UTC UTC same time Mar 29 – Oct 24 UTC+1 UTC UTC is 1 hour behind Oct 25 – Dec 31 UTC UTC same time
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
London vs UTC time difference through 2026
The gap changes twice during 2026, because only London observes daylight saving time. Double-check meetings booked in the weeks around each switch.
| Dates (2026) | GMT/BST | UTC | Difference |
|---|---|---|---|
| Jan 1 – Mar 28 | UTC | UTC | same time |
| Mar 29 – Oct 24 | UTC+1 | UTC | UTC is 1 hour behind |
| Oct 25 – Dec 31 | UTC | UTC | same time |
Transition dates are the first full day on the new offset; clocks usually change overnight, between 1:00 and 3:00 local time.
Method & sources
Offsets and daylight-saving dates are computed from the IANA Time Zone Database through the JavaScript Intl API — the same rules your phone and computer use. The year table above was generated from those rules when this page was built; the live converter uses the rules installed in your own browser, so it stays correct if a country changes its clocks.
Page last updated: October 1, 2026
London to UTC is common in aviation, finance, and server logs. During GMT, London equals UTC; during BST, subtract one hour to get UTC.
Frequently asked questions
What is the time difference between London and UTC?
Right now the offset is about 1 hour behind (from GMT/BST to UTC). Daylight saving rules differ by region, so use the converter and table above rather than memorising a single number year-round.
Does daylight saving affect London vs UTC?
Yes, whenever either region springs forward or falls back, the gap can shift by an hour. This page uses the IANA time-zone database so those transitions are applied automatically.
How do I schedule a meeting across the United Kingdom and Coordinated Universal Time?
Pick a time in the converter, share both columns with attendees, and avoid early-morning or late-night slots on one side. The sample table lists common business hours in the source zone.
Related time zone conversions
Related tools
These free tools pair well with this page — open them in a new tab to finish your workflow.