Rio de Janeiro to Rock Hill, SC: time difference
Rock Hill, 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 07:16 7:16 AM Rock Hill, SC 06:16 6:16 AM You –:–
07:16 7:16 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
06:16 6:16 AM
Eastern Daylight Time · UTC-4
☀️ 07:36 · 🌙 18:42
·
−1 h
Rock Hill, SC is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Rock Hill, 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
🇺🇸 Rock Hill, 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 | 🇺🇸 Rock Hill, SC |
|---|---|---|
| Local time | 07:16 | 06:16 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 05:15 | 07:36 |
| Sunset | 18:01 | 18:42 |
| Daylight | 12 h 45 min | 11 h 6 min |
| People on this clock | 6,211,223 | 74,102 |
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 Rock Hill, SC: common questions
What is the time difference between Rio de Janeiro and Rock Hill, SC?
Rock Hill is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Rock Hill, SC?
At 9:00 AM in Rio de Janeiro, clocks in Rock Hill show 8:00 AM.
What time is it in Rock Hill, SC, when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 5:00 PM in Rock Hill.
Is there a time when both Rio de Janeiro and Rock Hill, SC, are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Rock Hill), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Rio de Janeiro is it still yesterday in Rock Hill, SC?
Before 1:00 AM in Rio de Janeiro, the date in Rock Hill has not changed yet. From 11:00 PM in Rock Hill, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Rock Hill, SC, change?
Yes. The clocks change only in Rock Hill. From November 1, 2026, Rock Hill will be 2 hours behind Rio de Janeiro.
