Sao Paulo to Kolkata (Calcutta): time difference
Kolkata (Calcutta) is 8 h 30 min ahead of Sao Paulo. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇮🇳 Kolkata (Calcutta), India
11
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
+8 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sao Paulo 06:46 6:46 AM Kolkata (Calcutta) 15:16 3:16 PM You –:–
06:46 6:46 AM
Brasilia Standard Time · UTC-3
☀️ 05:39 · 🌙 18:09
15:16 3:16 PM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
·
+8 h 30 min
Kolkata (Calcutta) is 8 h 30 min ahead of Sao Paulo.
When you, Sao Paulo and Kolkata (Calcutta) are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Sao Paulo
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
🇮🇳 Kolkata (Calcutta)
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 6:30 6:30 AM 7:30 7:30 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Sao Paulo | 🇮🇳 Kolkata (Calcutta) |
|---|---|---|
| Local time | 06:46 | 15:16 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | India Standard Time |
| UTC offset | UTC-3 | UTC+5:30 |
| Offset from Sao Paulo | — | +8 h 30 min |
| IANA zone | America/Sao Paulo | Asia/Kolkata |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:39 | 05:32 |
| Sunset | 18:09 | 17:17 |
| Daylight | 12 h 31 min | 11 h 46 min |
| People on this clock | 11,451,999 | 4,486,679 |
Compare Sao Paulo with another city
More comparisons with Sao Paulo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sao Paulo and Kolkata (Calcutta): common questions
How far ahead of Sao Paulo is Kolkata (Calcutta)?
Kolkata is 8 hours and 30 minutes ahead of Sao Paulo: UTC+5:30 against UTC−3.
What time is it in Kolkata (Calcutta) when it is 9:00 AM in Sao Paulo?
When it is 9:00 AM in Sao Paulo, it is 5:30 PM in Kolkata.
If it is 6:00 PM in Sao Paulo, what time is it in Kolkata (Calcutta)?
At 6:00 PM in Sao Paulo, clocks in Kolkata show 2:30 AM (the next day).
When do working hours in Sao Paulo and in Kolkata (Calcutta) overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 9:30 AM in Sao Paulo, which is 5:30 PM to 6:00 PM in Kolkata.
When does the date change in Kolkata (Calcutta) compared with Sao Paulo?
The new day starts in Kolkata earlier: at 3:30 PM in Sao Paulo it is already midnight there. Until 8:30 AM in Kolkata, Sao Paulo is still on the previous day.
Is the time difference between Sao Paulo and Kolkata (Calcutta) the same all year?
Yes. Neither Sao Paulo nor Kolkata switches to summer time, so the gap is always 8 hours and 30 minutes.
