Buenos Aires to San Luis time converter
San Luis is 1 hour behind Buenos Aires. When it is 9:00 AM in Buenos Aires, it is 8:00 AM in San Luis.
Buenos Aires ART
Wednesday, October 21, 2026
San Luis CDT
Wednesday, October 21, 2026
2:38 PM in Buenos Aires, Wednesday, October 21, 2026
Buenos Aires to San Luis conversion table
Every hour of today in Buenos Aires and the matching time in San Luis. Light rows are typical working hours (9:00–18:00).
| Buenos Aires | San Luis |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Buenos Aires (9:00 AM – 5:00 PM in San Luis).
Daylight saving time and the difference
The difference changes during the year because Buenos Aires and San Luis switch clocks on different dates:
- Oct 21, 2026 – Nov 1, 2026: -1h
- Nov 1, 2026 – Mar 14, 2027: -2h
- Mar 14, 2027 – Oct 21, 2027: -1h
Distance
Buenos Aires and San Luis are 6,367 km (3,956 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Buenos Aires and San Luis?
San Luis is 1 hour behind Buenos Aires.
What time is it in San Luis when it is 9 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in San Luis.
When is the best time to call San Luis from Buenos Aires?
Both sides are at work from 10:00 AM – 6:00 PM in Buenos Aires (9:00 AM – 5:00 PM in San Luis).
Does the time difference between Buenos Aires and San Luis change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.