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).

Does Vienna observe daylight saving time?

Yes. Vienna is on CEST (UTC+2) now, and its clocks go back 1 hour on Sun, Oct 25, to CET (UTC+1).

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

12:00 AM in Vienna, on the same day.

Sydney to Vienna Meeting Planner

Vienna is 9 hours behind Sydney right now. Their working days don't overlap today.

Sydney · Australia

3:35 PM

Sun, Oct 18 · AEDT · summer time

Vienna · Austria

6:35 AM

Sun, Oct 18 · CEST · summer time

Best Meeting Times Between Sydney and Vienna

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 4:00 PM in Sydney, which is 7:00 AM in Vienna; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

SydneyOrganizerAustralia ·· summer time3:35PMnow
ViennaAustria ·· summer time6:35AMnow

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 Sydney

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Sydney time.

4:00PMBest · GoodWorking hours in Sydney (16:00); just outside working hours in Vienna (07:00).
6:00PMOption 2 · GoodWorking hours in Vienna (09:00); just outside working hours in Sydney (18:00).
7:00PMOption 3 · GoodWorking hours in Vienna (10:00); just outside working hours in Sydney (19:00).

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

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

Your meeting

Sydney4:00 PM AEDTSun, Oct 18
Vienna7:00 AM CESTSun, Oct 18
UTC2026-10-18 05:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Sydney and Vienna

Vienna is 9 hours behind Sydney right now: Vienna is on CEST (UTC+2) and Sydney on AEDT (UTC+11). That changes on Sun, Oct 25, when clocks go back in Vienna: then Vienna is 10 hours behind Sydney.

Time difference between Sydney and Vienna over the next 12 months
From	Difference	Why
Now	Vienna 9 hours behind	—
Sun, Oct 25	Vienna 10 hours behind	Clocks go back in Vienna
Sun, Mar 28, 2027	Vienna 9 hours behind	Clocks go forward in Vienna
Sun, Apr 4, 2027	Vienna 8 hours behind	Clocks go back in Sydney
Sun, Oct 3, 2027	Vienna 9 hours behind	Clocks go forward in Sydney

Sydney is on Australian Eastern Standard Time. Vienna is on Central European Standard Time.

Frequently Asked Questions: Sydney & Vienna Scheduling

What is the time difference between Sydney and Vienna?: Vienna is 9 hours behind Sydney right now: Vienna is on CEST (UTC+2) and Sydney on AEDT (UTC+11). That changes on Sun, Oct 25, when clocks go back in Vienna: then Vienna is 10 hours behind Sydney.
What is the best time to schedule a meeting between Sydney and Vienna?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 4:00 PM in Sydney, which is 7:00 AM in Vienna; consider splitting into two shorter meetings or shifting someone's hours.
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).
Does Vienna observe daylight saving time?: Yes. Vienna is on CEST (UTC+2) now, and its clocks go back 1 hour on Sun, Oct 25, to CET (UTC+1).
What time is it in Vienna when it's 9 AM in Sydney?: 12:00 AM in Vienna, on the same day.

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