Colombo to Buenos Aires: time difference
Buenos Aires is 8 h 30 min behind Colombo. Live clocks for both, the working hours they share, and how each one sits against your own time.
−8 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Colombo 05:54 5:54 AM Buenos Aires 21:24 9:24 PM You –:–
05:54 5:54 AM
India Standard Time · UTC+5:30
☀️ 05:58 · 🌙 17:59
21:24 9:24 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−8 h 30 min
Buenos Aires is 8 h 30 min behind Colombo.
When you, Colombo 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
🇱🇰 Colombo
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇱🇰 Colombo | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 05:54 | 21:24 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | India Standard Time | Argentina Standard Time |
| UTC offset | UTC+5:30 | UTC-3 |
| Offset from Colombo | — | −8 h 30 min |
| IANA zone | Asia/Colombo | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:58 | 06:20 |
| Sunset | 17:59 | 19:03 |
| Daylight | 12 h | 12 h 43 min |
| People on this clock | 753,000 | 2,891,082 |
Compare Colombo with another city
More comparisons with Colombo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Colombo and Buenos Aires: common questions
How far behind Colombo is Buenos Aires?
Buenos Aires is 8 hours and 30 minutes behind Colombo: UTC−3 against UTC+5:30.
What time is it in Buenos Aires when it is 9:00 AM in Colombo?
When it is 9:00 AM in Colombo, it is 12:30 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Colombo?
When it is 6:00 PM in Colombo, it is 9:30 AM in Buenos Aires.
When do working hours in Colombo and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 5:30 PM to 6:00 PM in Colombo, which is 9:00 AM to 9:30 AM in Buenos Aires.
Until what time in Colombo is it still yesterday in Buenos Aires?
Before 8:30 AM in Colombo, the date in Buenos Aires has not changed yet. From 3:30 PM in Buenos Aires, it is already the next day in Colombo.
Is the time difference between Colombo and Buenos Aires the same all year?
Yes. Neither Colombo nor Buenos Aires switches to summer time, so the gap is always 8 hours and 30 minutes.
