London and Dubai are connected by one of the world's busiest business corridors — flights every hour, massive expat communities in both directions, and daily financial activity between the two. The time difference is small enough to make meetings easy, but big enough to trip people up if they forget about DST.
How the Time Difference Works
Dubai sits in Gulf Standard Time (UTC+4) and does not observe daylight saving time. London switches between GMT and BST twice a year. This means the time gap shrinks by one hour every summer — and that's the detail most people forget.
London
Dubai
Business Hours Overlap
The table below shows when typical business hours (9 AM – 6 PM) in each city overlap. Times shown are London time, with the corresponding Dubai time in brackets.
| London | Dubai | Meeting quality |
|---|---|---|
| 8:00 AM | 12:00 PM | ~ OK |
| 9:00 AM | 1:00 PM | ✓ Excellent |
| 10:00 AM | 2:00 PM | ✓ Excellent |
| 11:00 AM | 3:00 PM | ✓ Excellent |
| 12:00 PM | 4:00 PM | ✓ Excellent |
| 1:00 PM | 5:00 PM | ✓ Excellent |
| 2:00 PM | 6:00 PM | ✓ Excellent |
| 3:00 PM | 7:00 PM | ~ OK |
| 4:00 PM | 8:00 PM | ~ OK |
| 5:00 PM | 9:00 PM | Off hours |
| 6:00 PM | 10:00 PM | Off hours |
⏰ Best time to call
9:00 AM to 12:00 PM London — this lands during Dubai afternoon, a productive time for both sides. Alternative: 1:00 PM to 4:00 PM Dubai for early-day calls on the Dubai side.
DST — The Detail Most People Get Wrong
London switches to summer time, but Dubai stays on the same offset year-round. This means the time difference between the two cities changes twice a year — by exactly one hour. Set calendar reminders for the second Sunday in March and the first Sunday in November (US) or the last Sundays in March and October (Europe).