Time in London

It is 02:27 on Thursday, 17 September 2026 in London. London is in United Kingdom. Civil time uses the IANA zone Europe/London at +01:00 from UTC (in effect). Use the live clock below for the current local time, then jump to a difference or conversion when you need meeting math.

London uses Europe/London, switching between Greenwich Mean Time (UTC+00:00) in winter and British Summer Time (UTC+01:00) from late March to late October.

Office hours commonly run 09:00–17:00 or 17:30. New York mornings align with London afternoons; Asia-Pacific calls usually need London early mornings or evenings.

Europe/London is GMT in winter and BST in summer. A meeting labelled “GMT” in July is usually wrong by an hour. Prefer the city name or the IANA id on the invite.

London time zone

UTC offset
UTC+01:00
Abbreviation
BST
IANA
Europe/London
DST
in effect

Daylight saving in London

Daylight saving is currently in effect, so London is running one step ahead of its standard offset. Clocks in London next go back on 25 October 2026 at 01:00 local time, moving from UTC+01:00 to UTC+00:00.

Daylight in London today

The sun rises at 06:38 and sets at 19:11, giving 12 h 32 m of daylight. Solar noon falls at 12:55, 55 minutes after the clock reads twelve, because London sits west of the 15° E meridian its current offset is built on.

Sunrise
06:38
Sunset
19:11
Daylight
12 h 32 m
Solar noon
12:55Solar noon is when the sun sits highest in the sky. It drifts from clock noon across a time zone, which is why one clock can span very different days.

Best time to call London

Overlap between a 09:00–17:00 working day in London and the same hours in other major cities.

CityLocal nowWorking overlap
Tokyo10:27No overlap
Delhi06:574 h · 09:00–12:30 in London
Shanghai09:271 h · 09:00–10:00 in London
Dhaka07:273 h · 09:00–12:00 in London
São Paulo22:274 h · 13:00–17:00 in London
Cairo04:276 h · 09:00–15:00 in London

Popular time differences

Related guides

About London

Population
8,799,728The administrative city figure recorded by Wikidata. The surrounding urban area is larger.
Region
England
Coordinates
51.5072° N, 0.1275° WLatitude is what drives the sunrise and sunset times above.
Currency
British Pound (GBP)
Calling code
+44Dial this after your international access prefix, and check the overlap table above before you call.
Languages
English
Airports
LHRHeathrowLGWGatwickArrival and departure boards at these airports quote London local time, not the time where you booked.

Frequently asked questions about time in London

What time is it in London right now?
It is 02:27 in London as this page was generated, and the clock above keeps ticking in your browser. London uses the IANA zone Europe/London, currently +01:00.
Which time zone is London in?
London is in the BST time zone (Europe/London), currently +01:00. Always store the identifier rather than the offset — the offset changes with daylight saving, the identifier does not.
Does London observe daylight saving time?
Yes. London shifts its clocks during the year, so the difference to cities that do not change moves by an hour twice a year.
Is London ahead of or behind UTC?
London is currently at +01:00. When it is 12:00 UTC, the local time in London is 13:00.

Well-known places in London

If you are checking the time in London because you are heading there, these are the most widely documented places to see.