Does Adelaide observe daylight saving time?

Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).

Does Sydney observe daylight saving time?

Yes. Sydney is on AEDT (UTC+11) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to AEST (UTC+10).

What time is it in Sydney when it's 9 AM in Adelaide?

9:30 AM in Sydney, on the same day.

Adelaide to Sydney Meeting Planner

Sydney is 30 minutes ahead of Adelaide right now. Their working days overlap for 7 hours 30 minutes today.

Adelaide · Australia

3:49 PM

Sun, Oct 18 · ACDT · summer time

Sydney · Australia

4:19 PM

Sun, Oct 18 · AEDT · summer time

Best Meeting Times Between Adelaide and Sydney

9:00 AM to 4:30 PM in Adelaide (9:30 AM to 5:00 PM in Sydney). That's when both cities are inside working hours, 9 AM to 5 PM, giving 7 hours 30 minutes of overlap today.

Who's meeting

2 of 4 places

AdelaideOrganizerAustralia ·· summer time3:49PMnow
SydneyAustralia ·· summer time4:19PMnow

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Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Adelaide

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Adelaide time.

1:00PMBest · OptimalWorking hours in Adelaide (13:00) and Sydney (13:30).
12:30PMOption 2 · OptimalWorking hours in Adelaide (12:30) and Sydney (13:00).
1:30PMOption 3 · OptimalWorking hours in Adelaide (13:30) and Sydney (14:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
AdelaideACDT
SydneyAEDT
UTC	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Adelaide1:00 PM ACDTSun, Oct 18
Sydney1:30 PM AEDTSun, Oct 18
UTC2026-10-18 02:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Adelaide and Sydney

Sydney is 30 minutes ahead of Adelaide right now: Sydney is on AEDT (UTC+11) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 30 minutes behind Adelaide.

Time difference between Adelaide and Sydney over the next 12 months
From	Difference	Why
Now	Sydney 30 minutes ahead	—
Sun, Apr 4, 2027	Sydney 30 minutes behind	Clocks go back in Sydney
Sun, Apr 4, 2027	Sydney 30 minutes ahead	Clocks go back in Adelaide
Sun, Oct 3, 2027	Sydney 1 hour 30 minutes ahead	Clocks go forward in Sydney
Sun, Oct 3, 2027	Sydney 30 minutes ahead	Clocks go forward in Adelaide

Adelaide is on Australian Central Standard Time. Sydney is on Australian Eastern Standard Time.

Frequently Asked Questions: Adelaide & Sydney Scheduling

What is the time difference between Adelaide and Sydney?: Sydney is 30 minutes ahead of Adelaide right now: Sydney is on AEDT (UTC+11) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 30 minutes behind Adelaide.
What is the best time to schedule a meeting between Adelaide and Sydney?: 9:00 AM to 4:30 PM in Adelaide (9:30 AM to 5:00 PM in Sydney). That's when both cities are inside working hours, 9 AM to 5 PM, giving 7 hours 30 minutes of overlap today.
Does Adelaide observe daylight saving time?: Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).
Does Sydney observe daylight saving time?: Yes. Sydney is on AEDT (UTC+11) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to AEST (UTC+10).
What time is it in Sydney when it's 9 AM in Adelaide?: 9:30 AM in Sydney, on the same day.

Or see every city pair, or plan with more places in the meeting planner.