Time Comparison
Comparing time between Hanoi and London? Find the best time to call, schedule meetings, and understand the exact time difference.
Hanoi is 7 hours behind London. Review the overlapping business hours below to ensure seamless cross-timezone collaboration.
03:10:35
Sunday, March 22, 2026
Hanoi, Vietnam
Asia/Ho_Chi_Minh
Standard Time
UTC+720:10:35
Saturday, March 21, 2026
London, United Kingdom
Europe/London
Standard Time
UTC+0Time Difference: 7 hours behind
24-Hour Timeline Comparison
Hanoi
07
10
13
16
19
22
01
04
London
00
03
06
09
12
15
18
21
Working Hours Overlap
Working hours (9-17)
Daytime (6-22)
Night (22-6)
Overlap
Current hour
Best time to call from Hanoi to London
Hanoi
16:00
↕
London
09:00
Overlap Hours
Business Hours (9AM-5PM)
| UTC | Hanoi | London |
|---|---|---|
| 00:00 | 07:00 | 00:00 |
| 01:00 | 08:00 | 01:00 |
| 02:00 | 09:00 | 02:00 |
| 03:00 | 10:00 | 03:00 |
| 04:00 | 11:00 | 04:00 |
| 05:00 | 12:00 | 05:00 |
| 06:00 | 13:00 | 06:00 |
| 07:00 | 14:00 | 07:00 |
| 08:00 | 15:00 | 08:00 |
| 09:00 | 16:00 | 09:00 |
| 10:00 | 17:00 | 10:00 |
| 11:00 | 18:00 | 11:00 |
| 12:00 | 19:00 | 12:00 |
| 13:00 | 20:00 | 13:00 |
| 14:00 | 21:00 | 14:00 |
| 15:00 | 22:00 | 15:00 |
| 16:00 | 23:00 | 16:00 |
| 17:00 | 00:00 | 17:00 |
| 18:00 | 01:00 | 18:00 |
| 19:00 | 02:00 | 19:00 |
| 20:00 | 03:00 | 20:00 |
| 21:00 | 04:00 | 21:00 |
| 22:00 | 05:00 | 22:00 |
| 23:00 | 06:00 | 23:00 |