Rio de Janeiro to Charleston, SC: time difference
Charleston, SC is 1 h behind Rio de Janeiro. 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.
Rio de Janeiro 18:08 6:08 PM Charleston, SC 17:08 5:08 PM You –:–
18:08 6:08 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
17:08 5:08 PM
Eastern Daylight Time · UTC-4
☀️ 07:27 · 🌙 18:44
·
−1 h
Charleston, SC is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Charleston, SC are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇺🇸 Charleston, SC
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 | 🇧🇷 Rio de Janeiro | 🇺🇸 Charleston, SC |
|---|---|---|
| Local time | 18:08 | 17:08 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:19 | 07:27 |
| Sunset | 17:59 | 18:44 |
| Daylight | 12 h 40 min | 11 h 18 min |
| People on this clock | 6,211,223 | 150,227 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Charleston, SC: common questions
How far behind Rio de Janeiro is Charleston, SC?
Charleston is 1 hour behind Rio de Janeiro: UTC−4 against UTC−3.
What time is it in Charleston, SC, when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Charleston.
What time is it in Charleston, SC, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Charleston it is 5:00 PM at that moment.
When is a good time to call Charleston, SC, from Rio de Janeiro?
Between 10:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 5:00 PM in Charleston – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Charleston, SC, compared with Rio de Janeiro?
The new day starts in Charleston later: until 1:00 AM in Rio de Janeiro, it is still the previous day there. From 11:00 PM in Charleston, Rio de Janeiro is already on the next day.
Is the time difference between Rio de Janeiro and Charleston, SC, the same all year?
No. Only Charleston switches to summer time, so the gap changes twice a year. From November 1, 2026, Charleston will be 2 hours behind Rio de Janeiro.
