Sydney to Đồng Hới time converter

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

Sydney AEDT

Tuesday, October 20, 2026

Đồng Hới ICT

Tuesday, October 20, 2026

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

Sydney to Đồng Hới conversion table

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

SydneyĐồng Hới
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 Đồng Hới).

Daylight saving time and the difference

The difference changes during the year because Sydney and Đồng Hới 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 Đồng Hới are 7,408 km (4,603 miles) apart in a straight line.

More conversions

Đồng Hới 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 Đồng HớiLondon to Đồng HớiLos Angeles to Đồng HớiChicago to Đồng HớiToronto to Đồng HớiSão Paulo to Đồng HớiParis to Đồng HớiBerlin to Đồng HớiMoscow to Đồng HớiDubai to Đồng HớiNew Delhi to Đồng HớiBangkok to Đồng Hới

Questions and answers

What is the time difference between Sydney and Đồng Hới?

Đồng Hới is 4 hours behind Sydney.

What time is it in Đồng Hới when it is 9 AM in Sydney?

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

When is the best time to call Đồng Hới from Sydney?

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

Does the time difference between Sydney and Đồng Hới change?

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