Alexandra to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Alexandra. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Alexandra 03:00 3:00 AM Rio de Janeiro 04:00 4:00 AM You –:–
03:00 3:00 AM
Atlantic Standard Time · UTC-4
☀️ 05:53 · 🌙 17:32
04:00 4:00 AM
Brasilia Standard Time · UTC-3
☀️ 05:08 · 🌙 18:06
·
+1 h
Rio de Janeiro is 1 h ahead of Alexandra.
When you, Alexandra and Rio de Janeiro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇧 Alexandra
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
🇧🇷 Rio de Janeiro
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇧 Alexandra | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 03:00 | 04:00 |
| Local date | Monday, November 2, 2026 | Monday, November 2, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Alexandra | — | +1 h |
| IANA zone | America/Barbados | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:53 | 05:08 |
| Sunset | 17:32 | 18:06 |
| Daylight | 11 h 39 min | 12 h 59 min |
| People on this clock | 1,382 | 6,211,223 |
Compare Alexandra with another city
More comparisons with Alexandra: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alexandra and Rio de Janeiro: common questions
How far ahead of Alexandra is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Alexandra: UTC−3 against UTC−4.
What time is it in Rio de Janeiro at the start of the working day in Alexandra?
The working day in Alexandra starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
If it is 6:00 PM in Alexandra, what time is it in Rio de Janeiro?
At 6:00 PM in Alexandra, clocks in Rio de Janeiro show 7:00 PM.
When is a good time to call Rio de Janeiro from Alexandra?
Between 9:00 AM and 5:00 PM in Alexandra – that is 10:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Rio de Janeiro?
From 11:00 PM in Alexandra it is already the next day in Rio de Janeiro. The other way round, until 1:00 AM in Rio de Janeiro it is still the previous day in Alexandra.
Does the time gap between Alexandra and Rio de Janeiro change during the year?
No, the clocks change neither in Alexandra nor in Rio de Janeiro, so the gap is 1 hour all year round.