Miami is 9.5 hours behind Colombo

Best overlap: 5:30 PM to 6:30 PM in Colombo is 8:00 AM to 9:00 AM in Miami.

5:30 PM to 6:30 PM in Colombo is when Miami is also working, at 8:00 AM to 9:00 AM their time. The overlap is tight at roughly 1 hour, so protect it: 5:30 PM in Colombo / 8:00 AM in Miami is your safest recurring slot. Just remember Miami changes its clocks for daylight saving and Colombo doesn't, so confirm the overlap whenever the seasons turn.