2 o'clock
First call to guard mounting comes at 8.50 , and guard mounting assembly at 9 . At 10 another drill begins ; at 11 the recall sounds , with recall from fatigue at 11.30 . Mess call for enlisted men is at noon , and 1 p. m. fatigue call . Drill call goes again at 1.50 , with drill assembly at 2 o'clock . The time spent at these drills varies according to the nature of the work and the orders . Recall from fatigue sounds at 5 o'clock . Parade assembly is at 5.30 at this time of the year , with retreat and evening gun-fire at 6.10 .