Re: What is the exact meaning of the sencence? Every half hour on the half hour means: 12:00, 12:30, 1:00, 1:30, 2:00, 2:30
Every hour on the half hour means: 12:30, 1:30, 2:30...
Every half hour on the quarter hour means: 12:15, 12:45, 1:15, 1:45, 2:15...
Every hour on the quarter hour means: 12:15, 1:15, 2:15, 3:15... |