Arlington Cemetery - Changing of the Guard - Tomb Unknown Soldier

The Changing of the Guard. The military guard at the Tomb of the Unknown Soldier is changed in an elaborate ceremony which happens every hour on the hour from October 1 through March 31, and every half hour from April 1 through September 30.

What time is the changing of the guards at Arlington National Cemetery? The cemetery is now open from 8 a.m.-7 p.m. The parking garage closes an hour later at 8 p.m.

The Changing of the Guard at the Tomb of the Unknown Soldier now occurs every half hour on the hour and 30 minutes past the hour. During the hours the cemetery is closed, the guard is changed every 2 hours. The Tomb is guarded and has been guarded, every minute of every day since 1937.