Rio de Janeiro to California, MD: time difference
California, MD 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 00:54 12:54 AM California, MD 23:54 11:54 PM You –:–
00:54 12:54 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
23:54 11:54 PM
Eastern Daylight Time · UTC-4
☀️ 07:21 · 🌙 18:21
·
−1 h
California, MD is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and California, MD 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
🇺🇸 California, MD
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 | 🇺🇸 California, MD |
|---|---|---|
| Local time | 00:54 | 23:54 |
| Local date | Thursday, October 22, 2026 | Wednesday, October 21, 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 | 07:21 |
| Sunset | 18:01 | 18:21 |
| Daylight | 12 h 45 min | 11 h |
| People on this clock | 6,211,223 | 13,000 |
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 California, MD: common questions
How many hours behind Rio de Janeiro is California, MD?
The clocks in California are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
What time is it in California, MD, 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 California.
What time is it in California, MD, 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 California.
When is a good time to call California, MD, 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 California – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in California, MD?
Until 1:00 AM in Rio de Janeiro it is still the previous day in California. The other way round, from 11:00 PM in California it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and California, MD, change during the year?
Yes – daylight saving time is used in California but not in Rio de Janeiro. From November 1, 2026, California will be 2 hours behind Rio de Janeiro.
