Chelsea to Sydney time converter

Sydney is 15 hours ahead of Chelsea. When it is 9:00 AM in Chelsea, it is 12:00 AM (Wed, Oct 21) in Sydney.

Chelsea EDT

Tuesday, October 20, 2026

Sydney AEDT

Wednesday, October 21, 2026

Chelsea
Massachusetts, United States
Tue, Oct 20
EDTUTC-4
Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Chelsea to Sydney conversion table

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

ChelseaSydney
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 Chelsea (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 Chelsea and Sydney switch clocks on different dates:

  • Oct 20, 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 20, 2027: +15h

Distance

Chelsea and Sydney are 16,242 km (10,092 miles) apart in a straight line.

More conversions

Sydney to ChelseaChelsea to New YorkChelsea to LondonChelsea to Los AngelesChelsea to ChicagoChelsea to TorontoChelsea to São PauloChelsea to ParisChelsea to BerlinChelsea to MoscowChelsea to DubaiChelsea to New DelhiChelsea 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 Chelsea and Sydney?

Sydney is 15 hours ahead of Chelsea.

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

When it is 9:00 AM in Chelsea, it is 12:00 AM (Wed, Oct 21) in Sydney.

When is the best time to call Sydney from Chelsea?

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

Does the time difference between Chelsea 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.