Geneva is 5 hours behind Dhaka
Best overlap: 1:00 PM to 6:00 PM in Dhaka is 8:00 AM to 1:00 PM in Geneva.
Shoot for 1:00 PM to 6:00 PM in Dhaka; your Geneva colleagues will see that as 8:00 AM to 1:00 PM. Geneva is 5 hours behind Dhaka, so the practical overlap is about 5 hours — generous enough for meetings, tight enough to be worth booking ahead. Don't be caught out by clock changes — Geneva observes daylight saving and Dhaka doesn't, so the offset varies by an hour through the year.