Time Difference: Guangzhou vs Hanoi
Live comparison of current time in Guangzhou, China and Hanoi, Vietnam.
Hour-by-Hour Comparison
| Guangzhou | Hanoi |
|---|---|
| 12:00 AM | 11:00 PM |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
About Time Difference: Guangzhou and Hanoi
Guangzhou, China is in the Asia/Shanghai timezone with a UTC offset of UTC+8. Hanoi, Vietnam is in the Asia/Bangkok timezone with a UTC offset of UTC+7. The hour-by-hour table above shows when working hours overlap, helping you find the best time for calls, meetings, and collaboration.
Frequently Asked Questions
What is the time difference between Guangzhou and Hanoi?
Guangzhou uses the Asia/Shanghai timezone (UTC+8) and Hanoi uses the Asia/Bangkok timezone (UTC+7). The exact difference may vary during daylight saving transitions.
When is the best time to call from Guangzhou to Hanoi?
Look for hours highlighted in green in the comparison table above — these are times when both cities are within standard working hours (9 AM - 5 PM).
Does the time difference change?
Yes, if either city observes daylight saving time, the difference can shift by 1 hour during DST transitions. This page always shows the current, live difference.