Rio de Janeiro to Summerside, PE: time difference
Summerside, PE 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 10:15 10:15 AM Summerside, PE 09:15 9:15 AM You –:–
10:15 10:15 AM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:09
09:15 9:15 AM
Atlantic Standard Time · UTC-4
☀️ 07:04 · 🌙 16:55
·
−1 h
Summerside, PE is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Summerside, PE 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
🇨🇦 Summerside, PE
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 | 🇨🇦 Summerside, PE |
|---|---|---|
| Local time | 10:15 | 09:15 |
| 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/Halifax |
| Daylight saving | Not observed | On standard time → UTC-3, Mar 14, 03:00 |
| Sunrise | 05:06 | 07:04 |
| Sunset | 18:09 | 16:55 |
| Daylight | 13 h 3 min | 9 h 50 min |
| People on this clock | 6,211,223 | 16,001 |
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 Summerside, PE: common questions
How many hours behind Rio de Janeiro is Summerside, PE?
The clocks in Summerside are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
If it is 9:00 AM in Rio de Janeiro, what time is it in Summerside, PE?
At 9:00 AM in Rio de Janeiro, clocks in Summerside show 8:00 AM.
What time is it in Summerside, PE, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Summerside it is 5:00 PM at that moment.
When do working hours in Rio de Janeiro and in Summerside, PE, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 5:00 PM in Summerside.
Until what time in Rio de Janeiro is it still yesterday in Summerside, PE?
Before 1:00 AM in Rio de Janeiro, the date in Summerside has not changed yet. From 11:00 PM in Summerside, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Summerside, PE, change?
Yes. The clocks change only in Summerside. From March 14, 2027, Summerside and Rio de Janeiro will have the same time.
