Sao Paulo to Alert: time difference
Alert is 1 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 18:42 6:42 PM Alert 17:42 5:42 PM You –:–
18:42 6:42 PM
Brasilia Standard Time · UTC-3
☀️ 05:35 · 🌙 18:11
17:42 5:42 PM
Eastern Daylight Time · UTC-4
☀️ 11:05 · 🌙 12:48
·
−1 h
Alert is 1 h behind Sao Paulo.
When you, Sao Paulo and Alert 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
🇨🇦 Alert
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Sao Paulo | 🇨🇦 Alert |
|---|---|---|
| Local time | 18:42 | 17:42 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Sao Paulo | — | −1 h |
| IANA zone | America/Sao Paulo | America/Iqaluit |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:35 | 11:05 |
| Sunset | 18:11 | 12:48 |
| Daylight | 12 h 36 min | 1 h 43 min |
| People on this clock | 11,451,999 | 60 |
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 Alert: common questions
How many hours behind Sao Paulo is Alert?
The clocks in Alert are 1 hour behind those in Sao Paulo (UTC−4 and UTC−3).
What time is it in Alert when it is 9:00 AM in Sao Paulo?
When it is 9:00 AM in Sao Paulo, it is 8:00 AM in Alert.
What time is it in Alert at the end of the working day in Sao Paulo?
The working day in Sao Paulo ends at 6:00 PM; in Alert it is 5:00 PM at that moment.
When do working hours in Sao Paulo and in Alert overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Sao Paulo, which is 9:00 AM to 5:00 PM in Alert.
When is it still the previous day in Alert?
Until 1:00 AM in Sao Paulo it is still the previous day in Alert. The other way round, from 11:00 PM in Alert it is already the next day in Sao Paulo.
Is the time difference between Sao Paulo and Alert the same all year?
No. Only Alert switches to summer time, so the gap changes twice a year. From November 1, 2026, Alert will be 2 hours behind Sao Paulo.
