Sydney to Hoang Cau time converter

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

Sydney AEDT

Wednesday, October 21, 2026

Hoang Cau ICT

Wednesday, October 21, 2026

Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11
Hoang Cau
Vietnam
Wed, Oct 21
ICTUTC+7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Hoang Cau conversion table

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

SydneyHoang Cau
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 Hoang Cau).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Apr 4, 2027: -4h
  • Apr 4, 2027 – Oct 3, 2027: -3h
  • Oct 3, 2027 – Oct 21, 2027: -4h

Distance

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

More conversions

Hoang Cau 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 Hoang CauLondon to Hoang CauLos Angeles to Hoang CauChicago to Hoang CauToronto to Hoang CauSão Paulo to Hoang CauParis to Hoang CauBerlin to Hoang CauMoscow to Hoang CauDubai to Hoang CauNew Delhi to Hoang CauBangkok to Hoang Cau

Questions and answers

What is the time difference between Sydney and Hoang Cau?

Hoang Cau is 4 hours behind Sydney.

What time is it in Hoang Cau when it is 9 AM in Sydney?

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

When is the best time to call Hoang Cau from Sydney?

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

Does the time difference between Sydney and Hoang Cau change?

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