Sao Paulo to Boise, ID: time difference
Boise, ID 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 08:54 8:54 AM Boise, ID 05:54 5:54 AM You –:–
08:54 8:54 AM
Brasilia Standard Time · UTC-3
☀️ 05:39 · 🌙 18:09
05:54 5:54 AM
Mountain Daylight Time · UTC-6
☀️ 07:53 · 🌙 19:11
·
−3 h
Boise, ID is 3 h behind Sao Paulo.
When you, Sao Paulo and Boise, ID 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
🇺🇸 Boise, ID
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 | 🇺🇸 Boise, ID |
|---|---|---|
| Local time | 08:54 | 05:54 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Sao Paulo | — | −3 h |
| IANA zone | America/Sao Paulo | America/Boise |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:39 | 07:53 |
| Sunset | 18:09 | 19:11 |
| Daylight | 12 h 31 min | 11 h 18 min |
| People on this clock | 11,451,999 | 235,684 |
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 Boise, ID: common questions
What is the time difference between Sao Paulo and Boise, ID?
Boise is 3 hours behind: it uses UTC−6, while Sao Paulo is on UTC−3.
What time is it in Boise, ID, at the start of the working day in Sao Paulo?
The working day in Sao Paulo starts at 9:00 AM; in Boise it is 6:00 AM at that moment.
What time is it in Boise, ID, when it is 6:00 PM in Sao Paulo?
When it is 6:00 PM in Sao Paulo, it is 3:00 PM in Boise.
When is a good time to call Boise, ID, from Sao Paulo?
Between 12:00 PM and 6:00 PM in Sao Paulo – that is 9:00 AM to 3:00 PM in Boise – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Sao Paulo is it still yesterday in Boise, ID?
Before 3:00 AM in Sao Paulo, the date in Boise has not changed yet. From 9:00 PM in Boise, it is already the next day in Sao Paulo.
Does the time difference between Sao Paulo and Boise, ID, change?
Yes. The clocks change only in Boise. From November 1, 2026, Boise will be 4 hours behind Sao Paulo.
