Santiago is 8.75 hours behind Kathmandu
Best overlap: 4:45 PM to 6:45 PM in Kathmandu is 8:00 AM to 10:00 AM in Santiago.
For a call that suits both sides, look at 4:45 PM to 6:45 PM in Kathmandu / 8:00 AM to 10:00 AM in Santiago. Since Santiago is 8.75 hours behind Kathmandu, the overlap is narrow (about 2 hours); a single, well-protected slot beats hunting for time each week. Keep an eye on the calendar — Santiago observes daylight saving and Kathmandu doesn't, which nudges this window by an hour twice a year.