Sydney to Hanoi
Live, right now. Australia/Sydney → Asia/Bangkok · 7,766 km (4,823 miles) apart
Clocks go back 1 hour on Sunday, 4th April 2027, at 2:59 am local time (2:00 am after the change).
Clocks here do not change: this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| Sydney | Hanoi | 24h | Good to call? |
|---|---|---|---|
| 12am | 8pm Wed | 00:00 → 20:00 | asleep in Sydney |
| 1am | 9pm Wed | 01:00 → 21:00 | asleep in Sydney |
| 2am | 10pm Wed | 02:00 → 22:00 | asleep in Hanoi |
| 3am | 11pm Wed | 03:00 → 23:00 | asleep in Hanoi |
| 4am | 12am | 04:00 → 00:00 | asleep in Hanoi |
| 5am | 1am | 05:00 → 01:00 | asleep in Hanoi |
| 6am | 2am | 06:00 → 02:00 | asleep in Hanoi |
| 7am | 3am | 07:00 → 03:00 | asleep in Hanoi |
| 8am | 4am | 08:00 → 04:00 | asleep in Hanoi |
| 9am | 5am | 09:00 → 05:00 | asleep in Hanoi |
| 10am | 6am | 10:00 → 06:00 | asleep in Hanoi |
| 11am | 7am | 11:00 → 07:00 | awake, not at work |
| 12pm | 8am | 12:00 → 08:00 | awake, not at work |
| 1pm | 9am | 13:00 → 09:00 | both at work |
| 2pm | 10am | 14:00 → 10:00 | both at work |
| 3pm | 11am | 15:00 → 11:00 | both at work |
| 4pm | 12pm | 16:00 → 12:00 | both at work |
| 5pm | 1pm | 17:00 → 13:00 | awake, not at work |
| 6pm | 2pm | 18:00 → 14:00 | awake, not at work |
| 7pm | 3pm | 19:00 → 15:00 | awake, not at work |
| 8pm | 4pm | 20:00 → 16:00 | awake, not at work |
| 9pm | 5pm | 21:00 → 17:00 | awake, not at work |
| 10pm now | 6pm | 22:00 → 18:00 | asleep in Sydney |
| 11pm | 7pm | 23:00 → 19:00 | asleep in Sydney |
Call times
Both places are at work between 1pm and 17:00 in Sydney, 9am to 12pm at the other end.
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
Questions people ask
What time is it in Hanoi when it is 10:55 pm in Sydney?
6:55 pm in Hanoi the same day.
How many hours ahead is Hanoi of Sydney?
Hanoi is 4 hours behind Sydney. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between Sydney and Hanoi?
Both places are at work between 1pm and 17:00 in Sydney, 9am to 12pm at the other end.
When does the difference between Sydney and Hanoi change?
Sydney: Clocks go back 1 hour on Sunday, 4th April 2027, at 2:59 am local time (2:00 am after the change). Hanoi does not change its clocks, so the gap shifts by an hour on that date.