Sydney to Cổ Đô time converter

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

Sydney AEDT

Tuesday, October 20, 2026

Cổ Đô ICT

Tuesday, October 20, 2026

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

Sydney to Cổ Đô conversion table

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

SydneyCổ Đô
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 Cổ Đô).

Daylight saving time and the difference

The difference changes during the year because Sydney and Cổ Đô 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 Cổ Đô are 7,819 km (4,858 miles) apart in a straight line.

More conversions

Cổ Đô 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 Cổ ĐôLondon to Cổ ĐôLos Angeles to Cổ ĐôChicago to Cổ ĐôToronto to Cổ ĐôSão Paulo to Cổ ĐôParis to Cổ ĐôBerlin to Cổ ĐôMoscow to Cổ ĐôDubai to Cổ ĐôNew Delhi to Cổ ĐôBangkok to Cổ Đô

Questions and answers

What is the time difference between Sydney and Cổ Đô?

Cổ Đô is 4 hours behind Sydney.

What time is it in Cổ Đô when it is 9 AM in Sydney?

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

When is the best time to call Cổ Đô from Sydney?

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

Does the time difference between Sydney and Cổ Đô change?

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