Sydney to Đống Đa time converter

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

Sydney AEDT

Monday, October 19, 2026

Đống Đa ICT

Monday, October 19, 2026

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

Sydney to Đống Đa conversion table

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

SydneyĐống Đa
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 Đống Đa).

Daylight saving time and the difference

The difference changes during the year because Sydney and Đống Đa 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 Đống Đa are 7,766 km (4,826 miles) apart in a straight line.

More conversions

Đống Đa 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 Đống ĐaLondon to Đống ĐaLos Angeles to Đống ĐaChicago to Đống ĐaToronto to Đống ĐaSão Paulo to Đống ĐaParis to Đống ĐaBerlin to Đống ĐaMoscow to Đống ĐaDubai to Đống ĐaNew Delhi to Đống ĐaBangkok to Đống Đa

Questions and answers

What is the time difference between Sydney and Đống Đa?

Đống Đa is 4 hours behind Sydney.

What time is it in Đống Đa when it is 9 AM in Sydney?

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

When is the best time to call Đống Đa from Sydney?

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

Does the time difference between Sydney and Đống Đa change?

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