Sao Paulo to Charlestown: time difference
Charlestown 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 02:54 2:54 AM Charlestown 01:54 1:54 AM You –:–
02:54 2:54 AM
Brasilia Standard Time · UTC-3
☀️ 05:39 · 🌙 18:09
01:54 1:54 AM
Atlantic Standard Time · UTC-4
☀️ 06:03 · 🌙 17:53
·
−1 h
Charlestown is 1 h behind Sao Paulo.
When you, Sao Paulo and Charlestown 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
🇰🇳 Charlestown
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 | 🇰🇳 Charlestown |
|---|---|---|
| Local time | 02:54 | 01:54 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Sao Paulo | — | −1 h |
| IANA zone | America/Sao Paulo | America/St Kitts |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:39 | 06:03 |
| Sunset | 18:09 | 17:53 |
| Daylight | 12 h 31 min | 11 h 51 min |
| People on this clock | 11,451,999 | 1,500 |
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 Charlestown: common questions
How far behind Sao Paulo is Charlestown?
Charlestown is 1 hour behind Sao Paulo: UTC−4 against UTC−3.
What time is it in Charlestown at the start of the working day in Sao Paulo?
The working day in Sao Paulo starts at 9:00 AM; in Charlestown it is 8:00 AM at that moment.
What time is it in Charlestown when it is 6:00 PM in Sao Paulo?
When it is 6:00 PM in Sao Paulo, it is 5:00 PM in Charlestown.
When is a good time to call Charlestown from Sao Paulo?
Between 10:00 AM and 6:00 PM in Sao Paulo – that is 9:00 AM to 5:00 PM in Charlestown – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Charlestown compared with Sao Paulo?
The new day starts in Charlestown later: until 1:00 AM in Sao Paulo, it is still the previous day there. From 11:00 PM in Charlestown, Sao Paulo is already on the next day.
Does the time difference between Sao Paulo and Charlestown change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
