Karaj to Buenos Aires: time difference
Buenos Aires is 6 h 30 min behind Karaj. Live clocks for both, the working hours they share, and how each one sits against your own time.
−6 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Karaj 02:48 2:48 AM Buenos Aires 20:18 8:18 PM You –:–
02:48 2:48 AM
Iran Standard Time · UTC+3:30
☀️ 06:15 · 🌙 17:28
20:18 8:18 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−6 h 30 min
Buenos Aires is 6 h 30 min behind Karaj.
When you, Karaj 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
🇮🇷 Karaj
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
17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM 2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇷 Karaj | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 02:48 | 20:18 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Iran Standard Time | Argentina Standard Time |
| UTC offset | UTC+3:30 | UTC-3 |
| Offset from Karaj | — | −6 h 30 min |
| IANA zone | Asia/Tehran | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:15 | 06:10 |
| Sunset | 17:28 | 19:10 |
| Daylight | 11 h 13 min | 13 h |
| People on this clock | 1,712,000 | 2,891,082 |
Compare Karaj with another city
More comparisons with Karaj: the time zones next to it and the far side of the clock.
Big time differences
Karaj and Buenos Aires: common questions
What is the time difference between Karaj and Buenos Aires?
Buenos Aires is 6 hours and 30 minutes behind: it uses UTC−3, while Karaj is on UTC+3:30.
What time is it in Buenos Aires at the start of the working day in Karaj?
The working day in Karaj starts at 9:00 AM; in Buenos Aires it is 2:30 AM at that moment.
If it is 6:00 PM in Karaj, what time is it in Buenos Aires?
At 6:00 PM in Karaj, clocks in Buenos Aires show 11:30 AM.
When do working hours in Karaj and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:30 PM to 6:00 PM in Karaj, which is 9:00 AM to 11:30 AM in Buenos Aires.
When does the date change in Buenos Aires compared with Karaj?
The new day starts in Buenos Aires later: until 6:30 AM in Karaj, it is still the previous day there. From 5:30 PM in Buenos Aires, Karaj is already on the next day.
Is the time difference between Karaj and Buenos Aires the same all year?
Yes. Neither Karaj nor Buenos Aires switches to summer time, so the gap is always 6 hours and 30 minutes.
