Sydney to Udon Thani time converter

Udon Thani is 4 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 AM in Udon Thani.

Sydney AEDT

Monday, October 19, 2026

Udon Thani ICT

Monday, October 19, 2026

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

Sydney to Udon Thani conversion table

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

SydneyUdon Thani
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 Udon Thani).

Daylight saving time and the difference

The difference changes during the year because Sydney and Udon Thani 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 Udon Thani are 7,668 km (4,765 miles) apart in a straight line.

More conversions

Udon Thani 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 Udon ThaniLondon to Udon ThaniLos Angeles to Udon ThaniChicago to Udon ThaniToronto to Udon ThaniSão Paulo to Udon ThaniParis to Udon ThaniBerlin to Udon ThaniMoscow to Udon ThaniDubai to Udon ThaniNew Delhi to Udon ThaniBangkok to Udon Thani

Questions and answers

What is the time difference between Sydney and Udon Thani?

Udon Thani is 4 hours behind Sydney.

What time is it in Udon Thani when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 5:00 AM in Udon Thani.

When is the best time to call Udon Thani from Sydney?

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

Does the time difference between Sydney and Udon Thani change?

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