Hanoi is 1.25 hours ahead of Kathmandu
Best overlap: 8:45 AM to 4:45 PM in Kathmandu is 10:00 AM to 6:00 PM in Hanoi.
Both teams are at their desks between 8:45 AM to 4:45 PM in Kathmandu and 10:00 AM to 6:00 PM in Hanoi. Plenty of room to work with: 8 hours of daily overlap means you can prioritise people's preferences over the clock.