Sydney to Lạng Sơn time converter

Lạng Sơn is 4 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 AM in Lạng Sơn.

Sydney AEDT

Monday, October 19, 2026

Lạng Sơn ICT

Sunday, October 18, 2026

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

Sydney to Lạng Sơn conversion table

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

SydneyLạng Sơn
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 Lạng Sơn).

Daylight saving time and the difference

The difference changes during the year because Sydney and Lạng Sơn 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 Lạng Sơn are 7,779 km (4,834 miles) apart in a straight line.

More conversions

Lạng Sơn 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 Lạng SơnLondon to Lạng SơnLos Angeles to Lạng SơnChicago to Lạng SơnToronto to Lạng SơnSão Paulo to Lạng SơnParis to Lạng SơnBerlin to Lạng SơnMoscow to Lạng SơnDubai to Lạng SơnNew Delhi to Lạng SơnBangkok to Lạng Sơn

Questions and answers

What is the time difference between Sydney and Lạng Sơn?

Lạng Sơn is 4 hours behind Sydney.

What time is it in Lạng Sơn when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 5:00 AM in Lạng Sơn.

When is the best time to call Lạng Sơn from Sydney?

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

Does the time difference between Sydney and Lạng Sơn change?

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