🇮🇳 Kolkata (Calcutta), India
42
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
Kolkata (Calcutta) to Buenos Aires: time difference
Buenos Aires is 8 h 30 min behind Kolkata (Calcutta). 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.
Kolkata (Calcutta) 13:46 1:46 PM Buenos Aires 05:16 5:16 AM You –:–
13:46 1:46 PM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
05:16 5:16 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
−8 h 30 min
Buenos Aires is 8 h 30 min behind Kolkata (Calcutta).
When you, Kolkata (Calcutta) 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
🇮🇳 Kolkata (Calcutta)
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 | 🇮🇳 Kolkata (Calcutta) | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 13:46 | 05:16 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | India Standard Time | Argentina Standard Time |
| UTC offset | UTC+5:30 | UTC-3 |
| Offset from Kolkata (Calcutta) | — | −8 h 30 min |
| IANA zone | Asia/Kolkata | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:32 | 06:19 |
| Sunset | 17:17 | 19:04 |
| Daylight | 11 h 46 min | 12 h 45 min |
| People on this clock | 4,486,679 | 2,891,082 |
Compare Kolkata (Calcutta) with another city
More comparisons with Kolkata (Calcutta): the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Kolkata (Calcutta) and Buenos Aires: common questions
How many hours behind Kolkata (Calcutta) is Buenos Aires?
The clocks in Buenos Aires are 8 hours and 30 minutes behind those in Kolkata (UTC−3 and UTC+5:30).
What time is it in Buenos Aires when it is 9:00 AM in Kolkata (Calcutta)?
When it is 9:00 AM in Kolkata, it is 12:30 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Kolkata (Calcutta)?
When it is 6:00 PM in Kolkata, it is 9:30 AM in Buenos Aires.
When is a good time to call Buenos Aires from Kolkata (Calcutta)?
Between 5:30 PM and 6:00 PM in Kolkata – that is 9:00 AM to 9:30 AM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Buenos Aires?
Until 8:30 AM in Kolkata (Calcutta) it is still the previous day in Buenos Aires. The other way round, from 3:30 PM in Buenos Aires it is already the next day in Kolkata.
Does the time difference between Kolkata (Calcutta) and Buenos Aires change?
No. Neither place uses daylight saving time, so the difference stays 8 hours and 30 minutes all year.
