Sydney to Hanoi time converter

Hanoi is 4 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 AM in Hanoi.

Sydney AEDT

Monday, October 19, 2026

Hanoi ICT

Monday, October 19, 2026

Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11
Hanoi
Vietnam
Mon, Oct 19
ICTUTC+7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Hanoi conversion table

Every hour of today in Sydney and the matching time in Hanoi. Light rows are typical working hours (9:00–18:00).

SydneyHanoi
12:00 AM8:00 PM−1 day
1:00 AM9:00 PM−1 day
2:00 AM10:00 PM−1 day
3:00 AM11:00 PM−1 day
4:00 AM12:00 AM
5:00 AM1:00 AM
6:00 AM2:00 AM
7:00 AM3:00 AM
8:00 AM4:00 AM
9:00 AM5:00 AM
10:00 AM6:00 AM
11:00 AM7:00 AM
12:00 PM8:00 AM
1:00 PM9:00 AM
2:00 PM10:00 AM
3:00 PM11:00 AM
4:00 PM12:00 PM
5:00 PM1:00 PM
6:00 PM2:00 PM
7:00 PM3:00 PM
8:00 PM4:00 PM
9:00 PM5:00 PM
10:00 PM6:00 PM
11:00 PM7:00 PM

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Sydney (9:00 AM – 2:00 PM in Hanoi).

Daylight saving time and the difference

The difference changes during the year because Sydney and Hanoi switch clocks on different dates:

  • Oct 19, 2026 – Apr 4, 2027: -4h
  • Apr 4, 2027 – Oct 3, 2027: -3h
  • Oct 3, 2027 – Oct 19, 2027: -4h

Distance

Sydney and Hanoi are 7,766 km (4,826 miles) apart in a straight line.

More conversions

Hanoi to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to HanoiLondon to HanoiLos Angeles to HanoiChicago to HanoiToronto to HanoiSão Paulo to HanoiParis to HanoiBerlin to HanoiMoscow to HanoiDubai to HanoiNew Delhi to HanoiBangkok to Hanoi

Questions and answers

What is the time difference between Sydney and Hanoi?

Hanoi is 4 hours behind Sydney.

What time is it in Hanoi when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 5:00 AM in Hanoi.

When is the best time to call Hanoi from Sydney?

Both sides are at work from 1:00 PM – 6:00 PM in Sydney (9:00 AM – 2:00 PM in Hanoi).

Does the time difference between Sydney and Hanoi change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.