Time Difference: Hanoi to Sydney
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Hanoi vs Sydney timezone guide
Hanoi (Vietnam) uses the Asia/Ho_Chi_Minh timezone at UTC+7, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 3 hours ahead of Hanoi (based on standard offsets — the live difference above accounts for daylight saving time).
Best meeting times between Hanoi and Sydney
Standard 9-to-5 working hours overlap by 5 hours per day. The shared window is 9am–2pm in Hanoi, which is 12pm–5pm in Sydney. Schedule recurring meetings inside that window and both teams stay inside standard working hours.
Hour-by-hour planner
| Hanoi | Sydney | Status |
|---|---|---|
| 6am | 9am | One side outside 9-to-5 but still awake |
| 7am | 10am | One side outside 9-to-5 but still awake |
| 8am | 11am | One side outside 9-to-5 but still awake |
| 9am | 12pm | Both at work — ideal meeting time |
| 10am | 1pm | Both at work — ideal meeting time |
| 11am | 2pm | Both at work — ideal meeting time |
| 12pm | 3pm | Both at work — ideal meeting time |
| 1pm | 4pm | Both at work — ideal meeting time |
| 2pm | 5pm | One side outside 9-to-5 but still awake |
| 3pm | 6pm | One side outside 9-to-5 but still awake |
| 4pm | 7pm | One side outside 9-to-5 but still awake |
| 5pm | 8pm | Hanoi evening, Sydney evening |
| 6pm | 9pm | Hanoi evening, Sydney evening |
| 7pm | 10pm | Hanoi evening, Sydney late evening |
| 8pm | 11pm | Hanoi evening, Sydney late evening |
| 9pm | 12am | Hanoi evening, Sydney asleep |
| 10pm | 1am | Hanoi late evening, Sydney asleep |
Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.
Daylight saving time between Hanoi and Sydney
Sydney observes daylight saving time, but Hanoi does not. That means the difference between the two cities changes seasonally — by one hour, around Sydney's transition dates.
- Jan 1 → Apr 4Hanoi is 4 hours behind Sydney
- Apr 4 → Oct 3Hanoi is 3 hours behind Sydney
- Oct 3 → Jan 1Hanoi is 4 hours behind Sydney
Distance between Hanoi and Sydney
Hanoi and Sydney are 7,767 km apart along the great-circle route. A direct flight takes roughly ~10h 8m, depending on aircraft type, winds, and routing.