Rio de Janeiro to McHenry, IL: time difference
McHenry, IL is 2 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 19:30 7:30 PM McHenry, IL 17:30 5:30 PM You –:–
19:30 7:30 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
17:30 5:30 PM
Central Daylight Time · UTC-5
☀️ 07:12 · 🌙 18:05
·
−2 h
McHenry, IL is 2 h behind Rio de Janeiro.
When you, Rio de Janeiro and McHenry, IL 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
🇺🇸 McHenry, IL
22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 McHenry, IL |
|---|---|---|
| Local time | 19:30 | 17:30 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Brasilia Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Rio de Janeiro | — | −2 h |
| IANA zone | America/Sao Paulo | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:17 | 07:12 |
| Sunset | 18:00 | 18:05 |
| Daylight | 12 h 43 min | 10 h 53 min |
| People on this clock | 6,211,223 | 27,135 |
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 McHenry, IL: common questions
How many hours behind Rio de Janeiro is McHenry, IL?
The clocks in McHenry are 2 hours behind those in Rio de Janeiro (UTC−5 and UTC−3).
What time is it in McHenry, IL, at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in McHenry it is 7:00 AM at that moment.
What time is it in McHenry, IL, when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 4:00 PM in McHenry.
When do working hours in Rio de Janeiro and in McHenry, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 4:00 PM in McHenry.
Until what time in Rio de Janeiro is it still yesterday in McHenry, IL?
Before 2:00 AM in Rio de Janeiro, the date in McHenry has not changed yet. From 10:00 PM in McHenry, it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and McHenry, IL, change during the year?
Yes – daylight saving time is used in McHenry but not in Rio de Janeiro. From November 1, 2026, McHenry will be 3 hours behind Rio de Janeiro.
