Saint Andrews to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Saint Andrews. 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.
Saint Andrews 17:36 5:36 PM Rio de Janeiro 18:36 6:36 PM You –:–
17:36 5:36 PM
Atlantic Standard Time · UTC-4
☀️ 07:14 · 🌙 17:11
18:36 6:36 PM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:09
·
+1 h
Rio de Janeiro is 1 h ahead of Saint Andrews.
When you, Saint Andrews 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
🇨🇦 Saint Andrews
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
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Time zones side by side
| Detail | 🇨🇦 Saint Andrews | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 17:36 | 18:36 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Saint Andrews | — | +1 h |
| IANA zone | America/Moncton | America/Sao Paulo |
| Daylight saving | On standard time → UTC-3, Mar 14, 03:00 | Not observed |
| Sunrise | 07:14 | 05:06 |
| Sunset | 17:11 | 18:09 |
| Daylight | 9 h 57 min | 13 h 3 min |
| People on this clock | — | 6,211,223 |
Compare Saint Andrews with another city
More comparisons with Saint Andrews: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Saint Andrews and Rio de Janeiro: common questions
How far ahead of Saint Andrews is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Saint Andrews: UTC−3 against UTC−4.
If it is 9:00 AM in Saint Andrews, what time is it in Rio de Janeiro?
At 9:00 AM in Saint Andrews, clocks in Rio de Janeiro show 10:00 AM.
What time is it in Rio de Janeiro at the end of the working day in Saint Andrews?
The working day in Saint Andrews ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Saint Andrews and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Saint Andrews (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Saint Andrews is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Saint Andrews, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Saint Andrews.
Does the time difference between Saint Andrews and Rio de Janeiro change?
Yes. The clocks change only in Saint Andrews. From March 14, 2027, Rio de Janeiro and Saint Andrews will have the same time.
