Does Darwin observe daylight saving time?

No. Darwin stays on ACST (UTC+9:30) all year, so its clocks don't change.

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 Darwin?

10:30 AM in Sydney, on the same day.

Darwin to Sydney Meeting Planner

Sydney is 1 hour 30 minutes ahead of Darwin right now. Their working days overlap for 6 hours 30 minutes today.

Darwin · Australia

2:04 PM

Sun, Oct 18 · ACST

Sydney · Australia

3:34 PM

Sun, Oct 18 · AEDT · summer time

Best Meeting Times Between Darwin and Sydney

9:00 AM to 3:30 PM in Darwin (10:30 AM to 5:00 PM in Sydney). That's when both cities are inside working hours, 9 AM to 5 PM, giving 6 hours 30 minutes of overlap today.

Who's meeting

2 of 4 places

DarwinOrganizerAustralia ·2:04PMnow
SydneyAustralia ·· summer time3:34PMnow

Add a city

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

Date in Darwin

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Darwin time.

1:00PMBest · OptimalWorking hours in Darwin (13:00) and Sydney (14:30).
12:30PMOption 2 · OptimalWorking hours in Darwin (12:30) and Sydney (14:00).
1:30PMOption 3 · OptimalWorking hours in Darwin (13:30) and Sydney (15:00).

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
DarwinACST
SydneyAEDT
UTC	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14

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

Your meeting

Darwin1:00 PM ACSTSun, Oct 18
Sydney2:30 PM AEDTSun, Oct 18
UTC2026-10-18 03:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Darwin and Sydney

Sydney is 1 hour 30 minutes ahead of Darwin right now: Sydney is on AEDT (UTC+11) and Darwin on ACST (UTC+9:30). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 30 minutes ahead of Darwin.

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

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

Frequently Asked Questions: Darwin & Sydney Scheduling

What is the time difference between Darwin and Sydney?: Sydney is 1 hour 30 minutes ahead of Darwin right now: Sydney is on AEDT (UTC+11) and Darwin on ACST (UTC+9:30). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 30 minutes ahead of Darwin.
What is the best time to schedule a meeting between Darwin and Sydney?: 9:00 AM to 3:30 PM in Darwin (10:30 AM to 5:00 PM in Sydney). That's when both cities are inside working hours, 9 AM to 5 PM, giving 6 hours 30 minutes of overlap today.
Does Darwin observe daylight saving time?: No. Darwin stays on ACST (UTC+9:30) all year, so its clocks don't change.
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 Darwin?: 10:30 AM in Sydney, on the same day.

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