Does Istanbul observe daylight saving time?

No. Istanbul stays on TRT (UTC+3) 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 Istanbul?

5:00 PM in Sydney, on the same day.

Istanbul to Sydney Meeting Planner

Sydney is 8 hours ahead of Istanbul right now. Their working days don't overlap today.

Istanbul · Turkey

5:36 AM

Sun, Oct 18 · TRT

Sydney · Australia

1:36 PM

Sun, Oct 18 · AEDT · summer time

Best Meeting Times Between Istanbul and Sydney

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 11:00 AM in Istanbul, which is 7:00 PM in Sydney; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

IstanbulOrganizerTurkey ·5:36AMnow
SydneyAustralia ·· summer time1:36PMnow

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 Istanbul

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Istanbul time.

11:00AMBest · GoodWorking hours in Istanbul (11:00); just outside working hours in Sydney (19:00).
10:00AMOption 2 · GoodWorking hours in Istanbul (10:00); just outside working hours in Sydney (18:00).
9:00AMOption 3 · GoodWorking hours in Istanbul (09:00); just outside working hours in Sydney (17:00).

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 one-hour slot 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
IstanbulUTC+3
SydneyAEDT
UTC	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20

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

Your meeting

Istanbul11:00 AM UTC+3Sun, Oct 18
Sydney7:00 PM AEDTSun, Oct 18
UTC2026-10-18 08:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Istanbul and Sydney

Sydney is 8 hours ahead of Istanbul right now: Sydney is on AEDT (UTC+11) and Istanbul on TRT (UTC+3). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 7 hours ahead of Istanbul.

Time difference between Istanbul and Sydney over the next 12 months
From	Difference	Why
Now	Sydney 8 hours ahead	—
Sun, Apr 4, 2027	Sydney 7 hours ahead	Clocks go back in Sydney
Sun, Oct 3, 2027	Sydney 8 hours ahead	Clocks go forward in Sydney

Istanbul is on Turkey Time. Sydney is on Australian Eastern Standard Time.

Frequently Asked Questions: Istanbul & Sydney Scheduling

What is the time difference between Istanbul and Sydney?: Sydney is 8 hours ahead of Istanbul right now: Sydney is on AEDT (UTC+11) and Istanbul on TRT (UTC+3). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 7 hours ahead of Istanbul.
What is the best time to schedule a meeting between Istanbul and Sydney?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 11:00 AM in Istanbul, which is 7:00 PM in Sydney; consider splitting into two shorter meetings or shifting someone's hours.
Does Istanbul observe daylight saving time?: No. Istanbul stays on TRT (UTC+3) 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 Istanbul?: 5:00 PM in Sydney, on the same day.

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