There is no standard 8-to-6 overlap. Someone joins early or late.
Kolkata and Ottawa are 10.5 hours apart, and that gap is wide enough that their normal 9-to-5 workdays never quite touch. If you meet regularly, fix one off-hours slot and rotate it between Kolkata and Ottawa so the burden doesn't fall on one team. Remember that Ottawa shifts for daylight saving and Kolkata doesn't, so recalculate the overlap after each clock change.
What is the time difference between Kolkata and Ottawa?
Ottawa is 10.5 hours behind Kolkata.
What are the best overlapping working hours between Kolkata and Ottawa?
Unfortunately, there are no standard overlapping working hours (8 AM to 6 PM) between Kolkata and Ottawa. You will likely need to schedule meetings outside of regular office hours.
How many hours overlap between Kolkata and Ottawa during a typical workday?
Unfortunately, there are no overlapping work hours. Someone will usually need to join earlier or later than a normal workday.
Does Daylight Saving Time affect the time difference between Kolkata and Ottawa?
Ottawa observes Daylight Saving Time, but Kolkata does not. This means the time difference between the two locations will change during the year.
A complete guide to time zones in 2025, from UTC and GMT differences to Daylight Saving Time changes, IANA database rules, abbreviation pitfalls, and developer best practices for handling global time. -