🇮🇳 Kolkata (Calcutta), India
32
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
Kolkata (Calcutta) to Toronto: time difference
Toronto is 9 h 30 min behind Kolkata (Calcutta). 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.
Kolkata (Calcutta) 08:45 8:45 AM Toronto 23:15 11:15 PM You –:–
08:45 8:45 AM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
23:15 11:15 PM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:46
·
−9 h 30 min
Toronto is 9 h 30 min behind Kolkata (Calcutta).
When you, Kolkata (Calcutta) and Toronto 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
🇨🇦 Toronto
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇮🇳 Kolkata (Calcutta) | 🇨🇦 Toronto |
|---|---|---|
| Local time | 08:45 | 23:15 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | India Standard Time | Eastern Daylight Time |
| UTC offset | UTC+5:30 | UTC-4 |
| Offset from Kolkata (Calcutta) | — | −9 h 30 min |
| IANA zone | Asia/Kolkata | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:32 | 07:25 |
| Sunset | 17:17 | 18:46 |
| Daylight | 11 h 46 min | 11 h 21 min |
| People on this clock | 4,486,679 | 2,731,571 |
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 Toronto: common questions
How many hours behind Kolkata (Calcutta) is Toronto?
The clocks in Toronto are 9 hours and 30 minutes behind those in Kolkata (UTC−4 and UTC+5:30).
What time is it in Toronto at the start of the working day in Kolkata (Calcutta)?
The working day in Kolkata starts at 9:00 AM; in Toronto it is 11:30 PM (the previous day) at that moment.
What time is it in Toronto at the end of the working day in Kolkata (Calcutta)?
The working day in Kolkata ends at 6:00 PM; in Toronto it is 8:30 AM at that moment.
When is a good time to call Toronto from Kolkata (Calcutta)?
Working hours (9:00 AM–6:00 PM) in Kolkata and in Toronto do not overlap. At 9:00 AM in Kolkata it is 11:30 PM (the previous day) in Toronto; when the working day starts in Toronto, it is 6:30 PM in Kolkata.
When does the date change in Toronto compared with Kolkata (Calcutta)?
The new day starts in Toronto later: until 9:30 AM in Kolkata, it is still the previous day there. From 2:30 PM in Toronto, Kolkata is already on the next day.
Does the time gap between Kolkata (Calcutta) and Toronto change during the year?
Yes – daylight saving time is used in Toronto but not in Kolkata. From November 1, 2026, Toronto will be 10 hours and 30 minutes behind Kolkata.
