🇩🇿 Constantine, Algeria
38
- Central European Standard Time
- UTC+1
- Night
☀️ 06:44 · 🌙 17:55 · 11 h 12 min
Constantine to Buenos Aires: time difference
Buenos Aires is 4 h behind Constantine. 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.
Constantine 01:46 1:46 AM Buenos Aires 21:46 9:46 PM You –:–
01:46 1:46 AM
Central European Standard Time · UTC+1
☀️ 06:44 · 🌙 17:55
21:46 9:46 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−4 h
Buenos Aires is 4 h behind Constantine.
When you, Constantine 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
🇩🇿 Constantine
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
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 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇩🇿 Constantine | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:46 | 21:46 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Central European Standard Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Constantine | — | −4 h |
| IANA zone | Africa/Algiers | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:44 | 06:10 |
| Sunset | 17:55 | 19:10 |
| Daylight | 11 h 12 min | 13 h |
| People on this clock | 448,374 | 2,891,082 |
Compare Constantine with another city
More comparisons with Constantine: the time zones next to it and the far side of the clock.
Big time differences
Constantine and Buenos Aires: common questions
How far behind Constantine is Buenos Aires?
Buenos Aires is 4 hours behind Constantine: UTC−3 against UTC+1.
If it is 9:00 AM in Constantine, what time is it in Buenos Aires?
At 9:00 AM in Constantine, clocks in Buenos Aires show 5:00 AM.
What time is it in Buenos Aires at the end of the working day in Constantine?
The working day in Constantine ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
When is a good time to call Buenos Aires from Constantine?
Between 1:00 PM and 6:00 PM in Constantine – that is 9:00 AM to 2:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Constantine is it still yesterday in Buenos Aires?
Before 4:00 AM in Constantine, the date in Buenos Aires has not changed yet. From 8:00 PM in Buenos Aires, it is already the next day in Constantine.
Does the time gap between Constantine and Buenos Aires change during the year?
No, the clocks change neither in Constantine nor in Buenos Aires, so the gap is 4 hours all year round.
