Sydney to Cầu Diễn time converter

Cầu Diễn is 4 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 AM in Cầu Diễn.

Sydney AEDT

Monday, October 19, 2026

Cầu Diễn ICT

Monday, October 19, 2026

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

Sydney to Cầu Diễn conversion table

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

SydneyCầu Diễn
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 Cầu Diễn).

Daylight saving time and the difference

The difference changes during the year because Sydney and Cầu Diễn 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 Cầu Diễn are 7,772 km (4,829 miles) apart in a straight line.

More conversions

Cầu Diễn 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 Cầu DiễnLondon to Cầu DiễnLos Angeles to Cầu DiễnChicago to Cầu DiễnToronto to Cầu DiễnSão Paulo to Cầu DiễnParis to Cầu DiễnBerlin to Cầu DiễnMoscow to Cầu DiễnDubai to Cầu DiễnNew Delhi to Cầu DiễnBangkok to Cầu Diễn

Questions and answers

What is the time difference between Sydney and Cầu Diễn?

Cầu Diễn is 4 hours behind Sydney.

What time is it in Cầu Diễn when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 5:00 AM in Cầu Diễn.

When is the best time to call Cầu Diễn from Sydney?

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

Does the time difference between Sydney and Cầu Diễn change?

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