Time in Buenos Aires vs Ciudad Acuña
Buenos Aires keeps UTC−3 (UTC−3) and Ciudad Acuña keeps CDT (UTC−5) today. Ciudad Acuña is 2 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: 09:00–16:00 in Ciudad Acuña (11:00–18:00 your time).
| City | 00:00 in Buenos Aires | 01:00 in Buenos Aires | 02:00 in Buenos Aires | 03:00 in Buenos Aires | 04:00 in Buenos Aires | 05:00 in Buenos Aires | 06:00 in Buenos Aires | 07:00 in Buenos Aires | 08:00 in Buenos Aires | 09:00 in Buenos Aires | 10:00 in Buenos Aires | 11:00 in Buenos Aires | 12:00 in Buenos Aires | 13:00 in Buenos Aires | 14:00 in Buenos Aires | 15:00 in Buenos Aires | 16:00 in Buenos Aires | 17:00 in Buenos Aires | 18:00 in Buenos Aires | 19:00 in Buenos Aires | 20:00 in Buenos Aires | 21:00 in Buenos Aires | 22:00 in Buenos Aires | 23:00 in Buenos Aires |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Ciudad Acuña—— | 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
Do more with Buenos Aires and Ciudad Acuña
Best hours to call
Where daylight saving pulls them apart
Ciudad Acuña 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 Ciudad Acuña of Buenos Aires?
Ciudad Acuña is 2 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 Ciudad Acuña?
Any hour in 11:00–18:00 Buenos Aires time is inside working hours in both cities.
Do Buenos Aires and Ciudad Acuña 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.