Byumba to Buenos Aires: time difference
Buenos Aires is 5 h behind Byumba. Live clocks for both, the working hours they share, and how each one sits against your own time.
−5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Byumba 04:28 4:28 AM Buenos Aires 23:28 11:28 PM You –:–
04:28 4:28 AM
Central Africa Time · UTC+2
☀️ 05:43 · 🌙 17:52
23:28 11:28 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−5 h
Buenos Aires is 5 h behind Byumba.
When you, Byumba and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇷🇼 Byumba
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
🇦🇷 Buenos Aires
19 7 PM 20 8 PM 21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇷🇼 Byumba | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 04:28 | 23:28 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Central Africa Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Byumba | — | −5 h |
| IANA zone | Africa/Kigali | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:43 | 06:20 |
| Sunset | 17:52 | 19:03 |
| Daylight | 12 h 8 min | 12 h 43 min |
| People on this clock | 43,134 | 2,891,082 |
Compare Byumba with another city
More comparisons with Byumba: the time zones next to it and the far side of the clock.
Big time differences
Byumba and Buenos Aires: common questions
How far behind Byumba is Buenos Aires?
Buenos Aires is 5 hours behind Byumba: UTC−3 against UTC+2.
What time is it in Buenos Aires when it is 9:00 AM in Byumba?
When it is 9:00 AM in Byumba, it is 4:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Byumba?
The working day in Byumba ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
Is there a time when both Byumba and Buenos Aires are at work?
Yes: from 2:00 PM to 6:00 PM in Byumba (9:00 AM to 1:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Byumba?
The new day starts in Buenos Aires later: until 5:00 AM in Byumba, it is still the previous day there. From 7:00 PM in Buenos Aires, Byumba is already on the next day.
Does the time difference between Byumba and Buenos Aires change?
No. Neither place uses daylight saving time, so the difference stays 5 hours all year.
