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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 Santa Coloma de Gramenet vs Buenos Aires

Santa Coloma de Gramenet keeps CEST (UTC+2) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 5 hours behind Santa Coloma de Gramenet; 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: 09:00–13:00 in Buenos Aires (14:00–18:00 your time).

Santa Coloma de Gramenet and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Santa Coloma de Gramenet01:00 in Santa Coloma de Gramenet02:00 in Santa Coloma de Gramenet03:00 in Santa Coloma de Gramenet04:00 in Santa Coloma de Gramenet05:00 in Santa Coloma de Gramenet06:00 in Santa Coloma de Gramenet07:00 in Santa Coloma de Gramenet08:00 in Santa Coloma de Gramenet09:00 in Santa Coloma de Gramenet10:00 in Santa Coloma de Gramenet11:00 in Santa Coloma de Gramenet12:00 in Santa Coloma de Gramenet13:00 in Santa Coloma de Gramenet14:00 in Santa Coloma de Gramenet15:00 in Santa Coloma de Gramenet16:00 in Santa Coloma de Gramenet17:00 in Santa Coloma de Gramenet18:00 in Santa Coloma de Gramenet19:00 in Santa Coloma de Gramenet20:00 in Santa Coloma de Gramenet21:00 in Santa Coloma de Gramenet22:00 in Santa Coloma de Gramenet23:00 in Santa Coloma de Gramenet
Santa Coloma de Gramenet——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Santa Coloma de Gramenet 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 Santa Coloma de Gramenet, Buenos Aires and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

14:00 in Santa Coloma de Gramenet
Inside working hours on both sides
09:00 in Buenos Aires
15:00 in Santa Coloma de Gramenet
Inside working hours on both sides
10:00 in Buenos Aires
16:00 in Santa Coloma de Gramenet
Inside working hours on both sides
11:00 in Buenos Aires
17:00 in Santa Coloma de Gramenet
Inside working hours on both sides
12:00 in Buenos Aires

Where daylight saving pulls them apart

Santa Coloma de Gramenet next changes on Sunday 25 October 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 Santa Coloma de Gramenet?

Buenos Aires is 5 hours behind Santa Coloma de Gramenet right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Santa Coloma de Gramenet and Buenos Aires?

Any hour in 14:00–18:00 Santa Coloma de Gramenet time is inside working hours in both cities.

Do Santa Coloma de Gramenet 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.