We'll spend about a month in Vietnam - a third in Hanoi and the northern part of the country, a third in the middle (Hue, Hoi An), and a third in Ho Chi Minh and the southern part. At the very end of the trip, we will do a couple of days in Angkor Wat in Cambodia.

So far the dates look like this:
Arrive: 3/24
Hanoi & the north: 3/24-4/1
Hue, Hoi An & other points in the middle: 4/1-4/6
Ho Chi Minh & the south: 4/7-4/16
Angkor Wat: 4/17-4/19
Leave for NYC: 4/20