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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 Buenos Aires vs San Nicolás de los Garza

Buenos Aires keeps UTC−3 (UTC−3) and San Nicolás de los Garza keeps CST (UTC−6) today. San Nicolás de los Garza is 3 hours behind Buenos Aires; 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: 09:00–15:00 in San Nicolás de los Garza (12:00–18:00 your time).

Buenos Aires and San Nicolás de los Garza hour by hour, with the working-hour overlap shaded
City00:00 in Buenos Aires01:00 in Buenos Aires02:00 in Buenos Aires03:00 in Buenos Aires04:00 in Buenos Aires05:00 in Buenos Aires06:00 in Buenos Aires07:00 in Buenos Aires08:00 in Buenos Aires09:00 in Buenos Aires10:00 in Buenos Aires11:00 in Buenos Aires12:00 in Buenos Aires13:00 in Buenos Aires14:00 in Buenos Aires15:00 in Buenos Aires16:00 in Buenos Aires17:00 in Buenos Aires18:00 in Buenos Aires19:00 in Buenos Aires20:00 in Buenos Aires21:00 in Buenos Aires22:00 in Buenos Aires23:00 in Buenos Aires
Buenos Aires——000102030405060708091011121314151617181920212223
San Nicolás de los Garza——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Buenos Aires and San Nicolás de los Garza

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

Best hours to call

12:00 in Buenos Aires
Inside working hours on both sides
09:00 in San Nicolás de los Garza
13:00 in Buenos Aires
Inside working hours on both sides
10:00 in San Nicolás de los Garza
14:00 in Buenos Aires
Inside working hours on both sides
11:00 in San Nicolás de los Garza
15:00 in Buenos Aires
Inside working hours on both sides
12:00 in San Nicolás de los Garza

Where daylight saving pulls them apart

Neither Buenos Aires nor San Nicolás de los Garza changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is San Nicolás de los Garza of Buenos Aires?

San Nicolás de los Garza is 3 hours behind Buenos Aires right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Buenos Aires and San Nicolás de los Garza?

Any hour in 12:00–18:00 Buenos Aires time is inside working hours in both cities.

Do Buenos Aires and San Nicolás de los Garza change clocks on the same date?

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