Time in Santa Ana vs Buenos Aires
Santa Ana keeps PDT (UTC−7) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 4 hours ahead of Santa Ana; 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: 13:00–18:00 in Buenos Aires (09:00–14:00 your time).
| City | 00:00 in Santa Ana | 01:00 in Santa Ana | 02:00 in Santa Ana | 03:00 in Santa Ana | 04:00 in Santa Ana | 05:00 in Santa Ana | 06:00 in Santa Ana | 07:00 in Santa Ana | 08:00 in Santa Ana | 09:00 in Santa Ana | 10:00 in Santa Ana | 11:00 in Santa Ana | 12:00 in Santa Ana | 13:00 in Santa Ana | 14:00 in Santa Ana | 15:00 in Santa Ana | 16:00 in Santa Ana | 17:00 in Santa Ana | 18:00 in Santa Ana | 19:00 in Santa Ana | 20:00 in Santa Ana | 21:00 in Santa Ana | 22:00 in Santa Ana | 23:00 in Santa Ana |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santa Ana—— | 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 Santa Ana and Buenos Aires
Best hours to call
Where daylight saving pulls them apart
Santa Ana 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 Santa Ana?
Buenos Aires is 4 hours ahead of Santa Ana right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Santa Ana and Buenos Aires?
Any hour in 09:00–14:00 Santa Ana time is inside working hours in both cities.
Do Santa Ana 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.