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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Mexicali vs Buenos Aires

Mexicali keeps PDT (UTC−7) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 4 hours ahead of Mexicali; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 13:00–18:00 in Buenos Aires (09:00–14:00 your time).

Mexicali and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Mexicali01:00 in Mexicali02:00 in Mexicali03:00 in Mexicali04:00 in Mexicali05:00 in Mexicali06:00 in Mexicali07:00 in Mexicali08:00 in Mexicali09:00 in Mexicali10:00 in Mexicali11:00 in Mexicali12:00 in Mexicali13:00 in Mexicali14:00 in Mexicali15:00 in Mexicali16:00 in Mexicali17:00 in Mexicali18:00 in Mexicali19:00 in Mexicali20:00 in Mexicali21:00 in Mexicali22:00 in Mexicali23:00 in Mexicali
Mexicali——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Mexicali and Buenos Aires

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Mexicali, Buenos Aires and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Mexicali
Inside working hours on both sides
13:00 in Buenos Aires
10:00 in Mexicali
Inside working hours on both sides
14:00 in Buenos Aires
11:00 in Mexicali
Inside working hours on both sides
15:00 in Buenos Aires
12:00 in Mexicali
Inside working hours on both sides
16:00 in Buenos Aires

Where daylight saving pulls them apart

Mexicali next changes on Sunday 1 November 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.

Also useful

Common questions

How many hours ahead is Buenos Aires of Mexicali?

Buenos Aires is 4 hours ahead of Mexicali right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Mexicali and Buenos Aires?

Any hour in 09:00–14:00 Mexicali time is inside working hours in both cities.

Do Mexicali and Buenos Aires change clocks on the same date?

Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.