Kathmandu is 2.75 hours ahead of Moscow
Best overlap: 8:00 AM to 4:00 PM in Moscow is 10:45 AM to 6:45 PM in Kathmandu.
Shoot for 8:00 AM to 4:00 PM in Moscow; your Kathmandu colleagues will see that as 10:45 AM to 6:45 PM. Kathmandu is 2.75 hours ahead of Moscow, but you'd hardly notice — 8 hours of shared hours makes this feel like working in neighbouring time zones.