Chattanooga to Sydney time converter

Sydney is 15 hours ahead of Chattanooga. When it is 9:00 AM in Chattanooga, it is 12:00 AM (Mon, Oct 19) in Sydney.

Chattanooga EDT

Sunday, October 18, 2026

Sydney AEDT

Monday, October 19, 2026

Chattanooga
Tennessee, United States
Sun, Oct 18
EDTUTC-4
Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Chattanooga to Sydney conversion table

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

ChattanoogaSydney
12:00 AM3:00 PM
1:00 AM4:00 PM
2:00 AM5:00 PM
3:00 AM6:00 PM
4:00 AM7:00 PM
5:00 AM8:00 PM
6:00 AM9:00 PM
7:00 AM10:00 PM
8:00 AM11:00 PM
9:00 AM12:00 AM+1 day
10:00 AM1:00 AM+1 day
11:00 AM2:00 AM+1 day
12:00 PM3:00 AM+1 day
1:00 PM4:00 AM+1 day
2:00 PM5:00 AM+1 day
3:00 PM6:00 AM+1 day
4:00 PM7:00 AM+1 day
5:00 PM8:00 AM+1 day
6:00 PM9:00 AM+1 day
7:00 PM10:00 AM+1 day
8:00 PM11:00 AM+1 day
9:00 PM12:00 PM+1 day
10:00 PM1:00 PM+1 day
11:00 PM2:00 PM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Chattanooga (7:00 AM – 9:00 AM in Sydney): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Chattanooga and Sydney switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Apr 3, 2027: +15h
  • Apr 3, 2027 – Oct 2, 2027: +14h
  • Oct 2, 2027 – Oct 18, 2027: +15h

Distance

Chattanooga and Sydney are 14,903 km (9,260 miles) apart in a straight line.

More conversions

Sydney to ChattanoogaChattanooga to New YorkChattanooga to LondonChattanooga to Los AngelesChattanooga to ChicagoChattanooga to TorontoChattanooga to São PauloChattanooga to ParisChattanooga to BerlinChattanooga to MoscowChattanooga to DubaiChattanooga to New DelhiChattanooga to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Chattanooga and Sydney?

Sydney is 15 hours ahead of Chattanooga.

What time is it in Sydney when it is 9 AM in Chattanooga?

When it is 9:00 AM in Chattanooga, it is 12:00 AM (Mon, Oct 19) in Sydney.

When is the best time to call Sydney from Chattanooga?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Chattanooga (7:00 AM – 9:00 AM in Sydney): working hours on one side, early or late on the other.

Does the time difference between Chattanooga and Sydney change?

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