Rio de Janeiro to Saint Andrews: time difference

Saint Andrews 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.

−1 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Rio de Janeiro 17:34 5:34 PM Saint Andrews 16:34 4:34 PM
Rio de Janeiro 17:34 5:34 PM Saint Andrews 16:34 4:34 PM You –:–
🇧🇷 Rio de Janeiro

17:34 5:34 PM

Brasilia Standard Time · UTC-3

☀️ 05:06 · 🌙 18:09

🇨🇦 Saint Andrews

16:34 4:34 PM

Atlantic Standard Time · UTC-4

☀️ 07:14 · 🌙 17:11

⇄ Difference

−1 h

Saint Andrews is 1 h behind Rio de Janeiro.

When you, Rio de Janeiro and Saint Andrews 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
🇨🇦 Saint Andrews
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
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇧🇷 Rio de Janeiro 🇨🇦 Saint Andrews
Local time 17:34 16:34
Local date Friday, November 6, 2026 Friday, November 6, 2026
Time zone Brasilia Standard Time Atlantic Standard Time
UTC offset UTC-3 UTC-4
Offset from Rio de Janeiro — −1 h
IANA zone America/Sao Paulo America/Moncton
Daylight saving Not observed On standard time → UTC-3, Mar 14, 03:00
Sunrise 05:06 07:14
Sunset 18:09 17:11
Daylight 13 h 3 min 9 h 57 min
People on this clock 6,211,223 —

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.

Rio de Janeiro and Saint Andrews: common questions

How far behind Rio de Janeiro is Saint Andrews?
Saint Andrews is 1 hour behind Rio de Janeiro: UTC−4 against UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Saint Andrews?
At 9:00 AM in Rio de Janeiro, clocks in Saint Andrews show 8:00 AM.
What time is it in Saint Andrews at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Saint Andrews it is 5:00 PM at that moment.
Is there a time when both Rio de Janeiro and Saint Andrews are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Saint Andrews), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Saint Andrews?
Until 1:00 AM in Rio de Janeiro it is still the previous day in Saint Andrews. The other way round, from 11:00 PM in Saint Andrews it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and Saint Andrews change during the year?
Yes – daylight saving time is used in Saint Andrews but not in Rio de Janeiro. From March 14, 2027, Saint Andrews and Rio de Janeiro will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?