How to read it
Abu Dhabi and London, side by side
Each row is one city's day, half an hour to a square, lined up by the hours along the bottom.
- 1Filled: at the desk, 9:00 to 18:00 where that city is.
- 2Grey: up early, up late, or the weekend.
- 3Outline: asleep.
- 4Red band: your slot. Read straight down to see the same moment in every city.
- 5A marks the best time for everyone; B, when there is one, the next best.
The red band is the best time to call on Wed, 21 Oct 2026: 12:00–13:00 in Abu Dhabi, which is 09:00–10:00 in London.
Through the year
How the gap between Abu Dhabi and London moves
London is 3h behind Abu Dhabi today. Daylight saving moves it:
- London 3h behind Abu Dhabi
- London 4h behind Abu Dhabi
- Sun, 25 Oct 2026 London's clocks go back an hour. London is then 4h behind Abu Dhabi.
- Sun, 28 Mar 2027 London's clocks go forward an hour. London is then 3h behind Abu Dhabi.
Hour by hour
Abu Dhabi to London time, hour by hour
On a working day (Wed, 21 Oct 2026), with working hours of 9:00 to 18:00 in both cities.
- Abu Dhabi starts work 09:00 06:00 in London Asleep
- London starts work 09:00 12:00 in Abu Dhabi At desk
- Abu Dhabi finishes work 18:00 15:00 in London At desk
- London finishes work 18:00 21:00 in Abu Dhabi Late
Show all 24 hours
| Abu Dhabi | London |
|---|---|
| 00:00 Asleep | 21:00 Tue Late |
| 01:00 Asleep | 22:00 Tue Asleep |
| 02:00 Asleep | 23:00 Tue Asleep |
| 03:00 Asleep | 00:00 Asleep |
| 04:00 Asleep | 01:00 Asleep |
| 05:00 Asleep | 02:00 Asleep |
| 06:00 Asleep | 03:00 Asleep |
| 07:00 Early | 04:00 Asleep |
| 08:00 Early | 05:00 Asleep |
| 09:00 At desk | 06:00 Asleep |
| 10:00 At desk | 07:00 Early |
| 11:00 At desk | 08:00 Early |
| 12:00 At desk | 09:00 At desk |
| 13:00 At desk | 10:00 At desk |
| 14:00 At desk | 11:00 At desk |
| 15:00 At desk | 12:00 At desk |
| 16:00 At desk | 13:00 At desk |
| 17:00 At desk | 14:00 At desk |
| 18:00 Late | 15:00 At desk |
| 19:00 Late | 16:00 At desk |
| 20:00 Late | 17:00 At desk |
| 21:00 Late | 18:00 Late |
| 22:00 Asleep | 19:00 Late |
| 23:00 Asleep | 20:00 Late |
Questions
Questions people ask
What is the time difference between Abu Dhabi and London?
London is 3h behind Abu Dhabi (as of Wed, 21 Oct 2026). That changes on Sun, 25 Oct 2026, when London's clocks go back: then London is 4h behind Abu Dhabi.
What is the best time for a call between Abu Dhabi and London?
On a working day, the best time for a call is 12:00–13:00 in Abu Dhabi (09:00–10:00 in London) until 24 Oct 2026 and from 28 Mar 2027, and 13:00–14:00 in Abu Dhabi (09:00–10:00 in London) from 25 Oct 2026 to 27 Mar 2027.
Does Abu Dhabi change its clocks?
No. Abu Dhabi stays on UTC+4 all year.
Does London change its clocks?
Yes. London moves its clocks back an hour on Sun, 25 Oct 2026, and forward an hour on Sun, 28 Mar 2027.
More city pairs
Compare more cities
Abu Dhabi and…
- Abu Dhabi and Mumbai
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- Abu Dhabi and Bengaluru
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- Abu Dhabi and Hong Kong
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- Abu Dhabi and Paris
- Abu Dhabi and Berlin
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London and…
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- London and Delhi
- London and Bengaluru
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- London and Hong Kong
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- London and Sydney
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- London and New York
- London and Toronto
- London and Chicago
- London and Los Angeles
- London and San Francisco
From the team behind 10:10
Running an event across time zones?
C4E has spent twenty years running conferences, dealer meets and offsites in more than 40 countries, with clients, speakers and crews in different time zones. 10:10 is one of the tools we built for our own shows. It is free, with no account and nothing upsold.