Hyderabad is 1.5 hours behind Ho Chi Minh City
Best overlap: 10:00 AM to 6:00 PM in Ho Chi Minh City is 8:30 AM to 4:30 PM in Hyderabad.
Shoot for 10:00 AM to 6:00 PM in Ho Chi Minh City; your Hyderabad colleagues will see that as 8:30 AM to 4:30 PM. Hyderabad is 1.5 hours behind Ho Chi Minh City, but with 8 hours of common ground you can hold morning or afternoon meetings without anyone working odd hours.