Does Buenos Aires observe daylight saving time?

No. Buenos Aires stays on ART (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 Buenos Aires?

11:00 PM in Sydney, on the same day.

Buenos Aires to Sydney Meeting Planner

Sydney is 14 hours ahead of Buenos Aires right now. Their working days don't overlap today.

Buenos Aires · Argentina

3:15 AM

Sun, Oct 18 · ART

Sydney · Australia

5:15 PM

Sun, Oct 18 · AEDT · summer time

Best Meeting Times Between Buenos Aires and Sydney

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

Who's meeting

2 of 4 places

Buenos AiresOrganizerArgentina ·3:15AMnow
SydneyAustralia ·· summer time5:15PMnow

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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 Buenos Aires

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Buenos Aires time.

7:00PMBest · GoodWorking hours in Sydney (09:00, next day); just outside working hours in Buenos Aires (19:00).
8:00PMOption 2 · PossibleWorking hours in Sydney (10:00, next day); late evening in Buenos Aires (20:00).
9:00PMOption 3 · PossibleWorking hours in Sydney (11:00, next day); late evening in Buenos Aires (21:00).

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

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

Your meeting

Buenos Aires7:00 PM UTC-3Sun, Oct 18
Sydney9:00 AM AEDTMon, Oct 19
UTC2026-10-18 22:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Buenos Aires and Sydney

Sydney is 14 hours ahead of Buenos Aires right now: Sydney is on AEDT (UTC+11) and Buenos Aires on ART (UTC-3). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 13 hours ahead of Buenos Aires.

Time difference between Buenos Aires and Sydney over the next 12 months
From	Difference	Why
Now	Sydney 14 hours ahead	—
Sun, Apr 4, 2027	Sydney 13 hours ahead	Clocks go back in Sydney
Sun, Oct 3, 2027	Sydney 14 hours ahead	Clocks go forward in Sydney

Buenos Aires is on Argentina Standard Time. Sydney is on Australian Eastern Standard Time.

Frequently Asked Questions: Buenos Aires & Sydney Scheduling

What is the time difference between Buenos Aires and Sydney?: Sydney is 14 hours ahead of Buenos Aires right now: Sydney is on AEDT (UTC+11) and Buenos Aires on ART (UTC-3). That changes on Sun, Apr 4, 2027, when clocks go back in Sydney: then Sydney is 13 hours ahead of Buenos Aires.
What is the best time to schedule a meeting between Buenos Aires and Sydney?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 7:00 PM in Buenos Aires, which is 9:00 AM in Sydney; consider splitting into two shorter meetings or shifting someone's hours.
Does Buenos Aires observe daylight saving time?: No. Buenos Aires stays on ART (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 Buenos Aires?: 11:00 PM in Sydney, on the same day.

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