Time in London
London is currently on UTC+01:00 (Europe/London).
London observes daylight saving time. Clocks next go back on 25 Oct, moving from UTC+01:00 to UTC+00:00.
London is 8 hours ahead of Los Angeles and 8 hours behind Tokyo.
Plan a meeting with London and up to three other cities — the planner finds the fairest hour across all of them.
Convert a specific time between London and any other city.
How London lines up with other cities
Each city below is one London keeps hours with — the current difference, how it shifts across the year, and where the working days overlap.
Los Angeles 8 hours ahead dominant
London is 8 hours ahead of Los Angeles for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 7 hours, because London and Los Angeles change their clocks on different dates.
28 of 365 days are not the 8-hour difference most people assume.
San Francisco 8 hours ahead dominant
London is 8 hours ahead of San Francisco for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 7 hours, because London and San Francisco change their clocks on different dates.
28 of 365 days are not the 8-hour difference most people assume.
Seattle 8 hours ahead dominant
London is 8 hours ahead of Seattle for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 7 hours, because London and Seattle change their clocks on different dates.
28 of 365 days are not the 8-hour difference most people assume.
New York 5 hours ahead dominant
London is 5 hours ahead of New York for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because London and New York change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Chicago 6 hours ahead dominant
London is 6 hours ahead of Chicago for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because London and Chicago change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Denver 7 hours ahead dominant
London is 7 hours ahead of Denver for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 6 hours, because London and Denver change their clocks on different dates.
28 of 365 days are not the 7-hour difference most people assume.
Toronto 5 hours ahead dominant
London is 5 hours ahead of Toronto for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because London and Toronto change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Tokyo 8 hours behind split
From 29 Mar to 24 Oct, London is 8 hours behind Tokyo. For the rest of the year London is 9 hours behind Tokyo, because Tokyo does not observe daylight saving time.
Dallas 6 hours ahead dominant
London is 6 hours ahead of Dallas for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because London and Dallas change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Houston 6 hours ahead dominant
London is 6 hours ahead of Houston for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because London and Houston change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Boston 5 hours ahead dominant
London is 5 hours ahead of Boston for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because London and Boston change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Miami 5 hours ahead dominant
London is 5 hours ahead of Miami for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because London and Miami change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Washington DC 5 hours ahead dominant
London is 5 hours ahead of Washington DC for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because London and Washington DC change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Anchorage 9 hours ahead dominant
London is 9 hours ahead of Anchorage for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 8 hours, because London and Anchorage change their clocks on different dates.
28 of 365 days are not the 9-hour difference most people assume.
Sydney 9 hours behind split
The difference between London and Sydney changes 4 times a year, ranging between 9 and 11 hours behind. London and Sydney observe daylight saving in opposite halves of the year.
Singapore 7 hours behind split
From 29 Mar to 24 Oct, London is 7 hours behind Singapore. For the rest of the year London is 8 hours behind Singapore, because Singapore does not observe daylight saving time.
Atlanta 5 hours ahead dominant
London is 5 hours ahead of Atlanta for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because London and Atlanta change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Montreal 5 hours ahead dominant
London is 5 hours ahead of Montreal for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because London and Montreal change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Melbourne 9 hours behind split
The difference between London and Melbourne changes 4 times a year, ranging between 9 and 11 hours behind. London and Melbourne observe daylight saving in opposite halves of the year.
Seoul 8 hours behind split
From 29 Mar to 24 Oct, London is 8 hours behind Seoul. For the rest of the year London is 9 hours behind Seoul, because Seoul does not observe daylight saving time.
Hong Kong 7 hours behind split
From 29 Mar to 24 Oct, London is 7 hours behind Hong Kong. For the rest of the year London is 8 hours behind Hong Kong, because Hong Kong does not observe daylight saving time.
Auckland 11 hours behind split
The difference between London and Auckland changes 4 times a year, ranging between 11 and 13 hours behind. London and Auckland observe daylight saving in opposite halves of the year.
Brisbane 9 hours behind split
From 29 Mar to 24 Oct, London is 9 hours behind Brisbane. For the rest of the year London is 10 hours behind Brisbane, because Brisbane does not observe daylight saving time.
Honolulu 11 hours ahead split
From 29 Mar to 24 Oct, London is 11 hours ahead of Honolulu. For the rest of the year London is 10 hours ahead of Honolulu, because Honolulu does not observe daylight saving time.
Phoenix 8 hours ahead split
From 29 Mar to 24 Oct, London is 8 hours ahead of Phoenix. For the rest of the year London is 7 hours ahead of Phoenix, because Phoenix does not observe daylight saving time.