Time in São José vs Buenos Aires

São José keeps UTC−3 (UTC−3) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is the same time as São José; 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: 09:00–18:00 in Buenos Aires (09:00–18:00 your time).

São José and Buenos Aires hour by hour, with the working-hour overlap shaded
City	00:00 in São José	01:00 in São José	02:00 in São José	03:00 in São José	04:00 in São José	05:00 in São José	06:00 in São José	07:00 in São José	08:00 in São José	09:00 in São José	10:00 in São José	11:00 in São José	12:00 in São José	13:00 in São José	14:00 in São José	15:00 in São José	16:00 in São José	17:00 in São José	18:00 in São José	19:00 in São José	20:00 in São José	21:00 in São José	22:00 in São José	23:00 in São José
São José——	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Buenos Aires——	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23

Working hours
Shoulder
Night
Overlap

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Best hours to call

09:00 in São José

Inside working hours on both sides

09:00 in Buenos Aires

10:00 in São José

Inside working hours on both sides

10:00 in Buenos Aires

11:00 in São José

Inside working hours on both sides

11:00 in Buenos Aires

12:00 in São José

Inside working hours on both sides

12:00 in Buenos Aires

Where daylight saving pulls them apart

Neither São José nor Buenos Aires changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Buenos Aires of São José?

Buenos Aires and São José read the same clock right now.

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

Any hour in 09:00–18:00 São José time is inside working hours in both cities.

Do São José and Buenos Aires change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.