Does Buenos Aires observe daylight saving time?

No. Buenos Aires stays on ART (UTC-3) all year, so its clocks don't change.

Does Tokyo observe daylight saving time?

No. Tokyo stays on JST (UTC+9) all year, so its clocks don't change.

What time is it in Tokyo when it's 9 AM in Buenos Aires?

9:00 PM in Tokyo, on the same day.

Buenos Aires to Tokyo Meeting Planner

Tokyo is 12 hours ahead of Buenos Aires right now. Their working days don't overlap today.

Buenos Aires · Argentina

7:39 PM

Sat, Oct 17 · ART

Tokyo · Japan

7:39 AM

Sun, Oct 18 · JST

Best Meeting Times Between Buenos Aires and Tokyo

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 10:00 AM in Buenos Aires, which is 10:00 PM in Tokyo; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

Buenos AiresOrganizerArgentina ·7:39PMnow
TokyoJapan ·7:39AMTomorrow · now

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 Buenos Aires

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in Buenos Aires time.

10:00AMBest · PossibleWorking hours in Buenos Aires (10:00); late evening in Tokyo (22:00).
9:00AMOption 2 · PossibleWorking hours in Buenos Aires (09:00); late evening in Tokyo (21:00).
9:00PMOption 3 · PossibleWorking hours in Tokyo (09:00, 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
TokyoUTC+9
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 Aires10:00 AM UTC-3Sat, Oct 17
Tokyo10:00 PM UTC+9Sat, Oct 17
UTC2026-10-17 13:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Buenos Aires and Tokyo

Tokyo is 12 hours ahead of Buenos Aires right now: Tokyo is on JST (UTC+9) and Buenos Aires on ART (UTC-3). Neither city changes its clocks, so the gap is the same all year.

Time difference between Buenos Aires and Tokyo over the next 12 months
From	Difference	Why
Now	Tokyo 12 hours ahead	—

Buenos Aires is on Argentina Standard Time. Tokyo is on Japan Standard Time.

Frequently Asked Questions: Buenos Aires & Tokyo Scheduling

What is the time difference between Buenos Aires and Tokyo?: Tokyo is 12 hours ahead of Buenos Aires right now: Tokyo is on JST (UTC+9) and Buenos Aires on ART (UTC-3). Neither city changes its clocks, so the gap is the same all year.
What is the best time to schedule a meeting between Buenos Aires and Tokyo?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 10:00 AM in Buenos Aires, which is 10:00 PM in Tokyo; 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 Tokyo observe daylight saving time?: No. Tokyo stays on JST (UTC+9) all year, so its clocks don't change.
What time is it in Tokyo when it's 9 AM in Buenos Aires?: 9:00 PM in Tokyo, on the same day.

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