Buenos Aires to Karaj: time difference
Karaj is 6 h 30 min ahead of Buenos Aires. 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.
Buenos Aires 02:03 2:03 AM Karaj 08:33 8:33 AM You –:–
02:03 2:03 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
08:33 8:33 AM
Iran Standard Time · UTC+3:30
☀️ 06:15 · 🌙 17:28
·
+6 h 30 min
Karaj is 6 h 30 min ahead of Buenos Aires.
When you, Buenos Aires and Karaj are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇮🇷 Karaj
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇮🇷 Karaj |
|---|---|---|
| Local time | 02:03 | 08:33 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Argentina Standard Time | Iran Standard Time |
| UTC offset | UTC-3 | UTC+3:30 |
| Offset from Buenos Aires | — | +6 h 30 min |
| IANA zone | America/Argentina/Buenos Aires | Asia/Tehran |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:09 | 06:15 |
| Sunset | 19:11 | 17:28 |
| Daylight | 13 h 2 min | 11 h 13 min |
| People on this clock | 2,891,082 | 1,712,000 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Karaj: common questions
What is the time difference between Buenos Aires and Karaj?
Karaj is 6 hours and 30 minutes ahead: it uses UTC+3:30, while Buenos Aires is on UTC−3.
What time is it in Karaj when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 3:30 PM in Karaj.
What time is it in Karaj when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 12:30 AM (the next day) in Karaj.
When is a good time to call Karaj from Buenos Aires?
Between 9:00 AM and 11:30 AM in Buenos Aires – that is 3:30 PM to 6:00 PM in Karaj – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Karaj compared with Buenos Aires?
The new day starts in Karaj earlier: at 5:30 PM in Buenos Aires it is already midnight there. Until 6:30 AM in Karaj, Buenos Aires is still on the previous day.
Is the time difference between Buenos Aires and Karaj the same all year?
Yes. Neither Buenos Aires nor Karaj switches to summer time, so the gap is always 6 hours and 30 minutes.
