Sao Paulo to San Isidro: time difference
San Isidro is 3 h behind Sao Paulo. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sao Paulo 09:37 9:37 AM San Isidro 06:37 6:37 AM You –:–
09:37 9:37 AM
Brasilia Standard Time · UTC-3
☀️ 05:31 · 🌙 18:13
06:37 6:37 AM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:18
·
−3 h
San Isidro is 3 h behind Sao Paulo.
When you, Sao Paulo and San Isidro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Sao Paulo
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇨🇷 San Isidro
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Sao Paulo | 🇨🇷 San Isidro |
|---|---|---|
| Local time | 09:37 | 06:37 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Brasilia Standard Time | Central Standard Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Sao Paulo | — | −3 h |
| IANA zone | America/Sao Paulo | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:31 | 05:25 |
| Sunset | 18:13 | 17:18 |
| Daylight | 12 h 43 min | 11 h 53 min |
| People on this clock | 11,451,999 | 17,000 |
Compare Sao Paulo with another city
More comparisons with Sao Paulo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sao Paulo and San Isidro: common questions
How many hours behind Sao Paulo is San Isidro?
The clocks in San Isidro are 3 hours behind those in Sao Paulo (UTC−6 and UTC−3).
What time is it in San Isidro at the start of the working day in Sao Paulo?
The working day in Sao Paulo starts at 9:00 AM; in San Isidro it is 6:00 AM at that moment.
If it is 6:00 PM in Sao Paulo, what time is it in San Isidro?
At 6:00 PM in Sao Paulo, clocks in San Isidro show 3:00 PM.
When do working hours in Sao Paulo and in San Isidro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Sao Paulo, which is 9:00 AM to 3:00 PM in San Isidro.
When does the date change in San Isidro compared with Sao Paulo?
The new day starts in San Isidro later: until 3:00 AM in Sao Paulo, it is still the previous day there. From 9:00 PM in San Isidro, Sao Paulo is already on the next day.
Does the time difference between Sao Paulo and San Isidro change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
