Guangzhou ↔ Hanoi: working-hours overlap
Guangzhou11:00Hanoi
Guangzhou
GMT+8base
Hanoi
GMT+7
Work hours
Date
Time difference
Hanoi is 1 hour behind Guangzhou. Guangzhou is on GMT+8 and Hanoi is on GMT+7 right now.
Best time to call
With 09:00–17:00 working days, the best time for a call is 10:00–17:00 in Guangzhou, which is 09:00–16:00 in Hanoi.
Daylight saving
The time difference between Guangzhou and Hanoi stays the same all year — daylight saving either applies to both places equally or to neither.
Guangzhou → Hanoi conversion table
| Guangzhou | Hanoi |
|---|---|
| 00:00 | 23:00 −1 day |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
Rows highlighted in green fall inside 09:00–17:00 in both places.