There are no overlapping standard business hours (9am - 5pm). Use the interactive converter above to visually compare hours side by side.

Kolkata

IST (GMT+5:30)

No Daylight Saving Time

Toronto

EST (GMT-5)

EDT starts on Mar 14, 2027

What is the best time to schedule a meeting between Kolkata and Toronto?

There are no overlapping business hours. Consider early morning or late evening meetings, or use the interactive converter on this page to find a workable time slot.

How many hours apart are Kolkata and Toronto?

Toronto is 10.5 hours behind Kolkata.

Does the overlap change with daylight saving time?

Toronto observes daylight saving time (EDT starts on Mar 14, 2027) but Kolkata does not, so the overlap may shift by an hour seasonally. The interactive converter on this page always reflects the current offset, even across daylight saving transition.