Time in San Luis vs Buenos Aires

San Luis keeps UTC−3 (UTC−3) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is the same time as San Luis; 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).

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

Inside working hours on both sides

09:00 in Buenos Aires

10:00 in San Luis

Inside working hours on both sides

10:00 in Buenos Aires

11:00 in San Luis

Inside working hours on both sides

11:00 in Buenos Aires

12:00 in San Luis

Inside working hours on both sides

12:00 in Buenos Aires

Where daylight saving pulls them apart

Neither San Luis 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 San Luis?

Buenos Aires and San Luis read the same clock right now.

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

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

Do San Luis and Buenos Aires change clocks on the same date?

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