Longmont, CO to Sao Paulo: time difference
Sao Paulo is 3 h ahead of Longmont, CO. 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.
Longmont, CO 10:16 10:16 AM Sao Paulo 13:16 1:16 PM You –:–
10:16 10:16 AM
Mountain Daylight Time · UTC-6
☀️ 07:16 · 🌙 18:16
13:16 1:16 PM
Brasilia Standard Time · UTC-3
☀️ 05:31 · 🌙 18:13
·
+3 h
Sao Paulo is 3 h ahead of Longmont, CO.
When you, Longmont, CO and Sao Paulo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Longmont, CO
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
🇧🇷 Sao Paulo
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Longmont, CO | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 10:16 | 13:16 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Mountain Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Longmont, CO | — | +3 h |
| IANA zone | America/Denver | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:16 | 05:31 |
| Sunset | 18:16 | 18:13 |
| Daylight | 11 h | 12 h 43 min |
| People on this clock | 94,341 | 11,451,999 |
Compare Longmont, CO with another city
More comparisons with Longmont, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Longmont, CO and Sao Paulo: common questions
How far ahead of Longmont, CO, is Sao Paulo?
Sao Paulo is 3 hours ahead of Longmont: UTC−3 against UTC−6.
If it is 9:00 AM in Longmont, CO, what time is it in Sao Paulo?
At 9:00 AM in Longmont, clocks in Sao Paulo show 12:00 PM.
If it is 6:00 PM in Longmont, CO, what time is it in Sao Paulo?
At 6:00 PM in Longmont, clocks in Sao Paulo show 9:00 PM.
When is a good time to call Sao Paulo from Longmont, CO?
Between 9:00 AM and 3:00 PM in Longmont – that is 12:00 PM to 6:00 PM in Sao Paulo – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sao Paulo compared with Longmont, CO?
The new day starts in Sao Paulo earlier: at 9:00 PM in Longmont it is already midnight there. Until 3:00 AM in Sao Paulo, Longmont is still on the previous day.
Does the time difference between Longmont, CO, and Sao Paulo change?
Yes. The clocks change only in Longmont. From November 1, 2026, Sao Paulo will be 4 hours ahead of Longmont.
