Casablanca is 6 hours ahead of Ottawa
Best overlap: 8:00 AM to 12:00 PM in Ottawa is 2:00 PM to 6:00 PM in Casablanca.
Schedule calls for 8:00 AM to 12:00 PM in Ottawa — your colleagues in Casablanca will be online from 2:00 PM to 6:00 PM. Casablanca is 6 hours ahead of Ottawa, which gives you a solid 4-hour window. Book earlier in it and neither side is rushing. These times hold for most of the year, but Ottawa's daylight saving (which Casablanca doesn't use) shifts them by an hour twice annually.