I have a Regimental Calendar for Academic Year 2010-2011 from June 22, 2010 to July 7, 2011. Can't remember where or how I got it, however, this is the schedule that I see for Parents Weekend.
Friday 3 Sept 2010/U]
Liberty commences for 1/c after last obligation
Acceptance Day/Parent's Day Weekend Commences. No Special Liberties Or Club TM's Except As Authorized By The Commandant.
Beat Retreat - O'Hara Hall (1930)
Saturday 4 Sept 2010
Liberty expires for 1/c at 0630
Formal Parade - Acceptance Day Parent's Weekend (Tomb Field at 0900)
Regimental March - On Tomb Field
Football (home) - Gallaudet at 1400
Waterfront - Parent's Weekend Open House
Liberty commences for 1/c, 2c and 3/c as announced
Liberty for Plebe Class at discretion of Regimental Commander after football game.
Sunday 5 Sept
Waterfront - Parent's Weekend Open House
Monday 6 Sept
LABOR DAY - HOLIDAY
Liberty expires for plebe class at 1800, 3/c at 1900, 2/c at 2000, and 1c at 2100.
Hope this helps and nothing changes. . . As I keep hearing on the forum, things can change.