Sao Paulo to Longmont, CO: time difference
Longmont, CO 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 09:16 9:16 AM Longmont, CO 06:16 6:16 AM You –:–
09:16 9:16 AM
Brasilia Standard Time · UTC-3
☀️ 05:31 · 🌙 18:13
06:16 6:16 AM
Mountain Daylight Time · UTC-6
☀️ 07:16 · 🌙 18:16
·
−3 h
Longmont, CO is 3 h behind Sao Paulo.
When you, Sao Paulo and Longmont, CO 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
🇺🇸 Longmont, CO
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 | 🇺🇸 Longmont, CO |
|---|---|---|
| Local time | 09:16 | 06:16 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:31 | 07:16 |
| Sunset | 18:13 | 18:16 |
| Daylight | 12 h 43 min | 11 h |
| People on this clock | 11,451,999 | 94,341 |
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 Longmont, CO: common questions
How many hours behind Sao Paulo is Longmont, CO?
The clocks in Longmont are 3 hours behind those in Sao Paulo (UTC−6 and UTC−3).
What time is it in Longmont, CO, at the start of the working day in Sao Paulo?
The working day in Sao Paulo starts at 9:00 AM; in Longmont it is 6:00 AM at that moment.
What time is it in Longmont, CO, when it is 6:00 PM in Sao Paulo?
When it is 6:00 PM in Sao Paulo, it is 3:00 PM in Longmont.
When is a good time to call Longmont, CO, from Sao Paulo?
Between 12:00 PM and 6:00 PM in Sao Paulo – that is 9:00 AM to 3:00 PM in Longmont – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Sao Paulo is it still yesterday in Longmont, CO?
Before 3:00 AM in Sao Paulo, the date in Longmont has not changed yet. From 9:00 PM in Longmont, it is already the next day in Sao Paulo.
Is the time difference between Sao Paulo and Longmont, CO, the same all year?
No. Only Longmont switches to summer time, so the gap changes twice a year. From November 1, 2026, Longmont will be 4 hours behind Sao Paulo.
