Sydney to Duyên Hải time converter

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

Sydney AEDT

Tuesday, October 20, 2026

Duyên Hải ICT

Tuesday, October 20, 2026

Sydney
New South Wales, Australia
Tue, Oct 20
AEDTUTC+11
Duyên Hải
Vietnam
Tue, Oct 20
ICTUTC+7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Duyên Hải conversion table

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

SydneyDuyên Hải
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 Duyên Hải).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Apr 4, 2027: -4h
  • Apr 4, 2027 – Oct 3, 2027: -3h
  • Oct 3, 2027 – Oct 20, 2027: -4h

Distance

Sydney and Duyên Hải are 6,756 km (4,198 miles) apart in a straight line.

More conversions

Duyên Hải 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 Duyên HảiLondon to Duyên HảiLos Angeles to Duyên HảiChicago to Duyên HảiToronto to Duyên HảiSão Paulo to Duyên HảiParis to Duyên HảiBerlin to Duyên HảiMoscow to Duyên HảiDubai to Duyên HảiNew Delhi to Duyên HảiBangkok to Duyên Hải

Questions and answers

What is the time difference between Sydney and Duyên Hải?

Duyên Hải is 4 hours behind Sydney.

What time is it in Duyên Hải when it is 9 AM in Sydney?

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

When is the best time to call Duyên Hải from Sydney?

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

Does the time difference between Sydney and Duyên Hải change?

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