Time in Ciudad Acuña vs Buenos Aires
Ciudad Acuña keeps CDT (UTC−5) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 2 hours ahead of Ciudad Acuña; 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: 11:00–18:00 in Buenos Aires (09:00–16:00 your time).
| City | 00:00 in Ciudad Acuña | 01:00 in Ciudad Acuña | 02:00 in Ciudad Acuña | 03:00 in Ciudad Acuña | 04:00 in Ciudad Acuña | 05:00 in Ciudad Acuña | 06:00 in Ciudad Acuña | 07:00 in Ciudad Acuña | 08:00 in Ciudad Acuña | 09:00 in Ciudad Acuña | 10:00 in Ciudad Acuña | 11:00 in Ciudad Acuña | 12:00 in Ciudad Acuña | 13:00 in Ciudad Acuña | 14:00 in Ciudad Acuña | 15:00 in Ciudad Acuña | 16:00 in Ciudad Acuña | 17:00 in Ciudad Acuña | 18:00 in Ciudad Acuña | 19:00 in Ciudad Acuña | 20:00 in Ciudad Acuña | 21:00 in Ciudad Acuña | 22:00 in Ciudad Acuña | 23:00 in Ciudad Acuña |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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
Do more with Ciudad Acuña and Buenos Aires
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 Buenos Aires of Ciudad Acuña?
Buenos Aires is 2 hours ahead of Ciudad Acuña right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Ciudad Acuña and Buenos Aires?
Any hour in 09:00–16:00 Ciudad Acuña time is inside working hours in both cities.
Do Ciudad Acuña 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.