Comparison of 12- and 24- Hour Clocks for One Date
24-Hour 00:00 00:01 - 00:59 01:00 - 11:59 12:00 12:01 - 12:59 13:00 - 23:59 24:00
12-Hour --- 12:mm a.m. hh:mm a.m. Noon 12:mm p.m. hh:mm p.m. Midnight
12-Hour 12:00 a.m.     12:00 p.m.     ---
 01 <= hh <= 11     00 <= mm <= 59