Vancouver is 12.5 hours behind Chennai

There is no standard 8-to-6 overlap. Someone joins early or late.

Chennai and Vancouver are 12.5 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 Chennai and Vancouver so the burden doesn't fall on one team. Keep an eye on the calendar — Vancouver observes daylight saving and Chennai doesn't, which nudges this window by an hour twice a year.