44. Expressing time. - Whenever the time is stated in a report, record, index or other document, the hour shall be shown by the twenty-four hour clock system, each day consisting of twenty-four hours beginning and ending at midnight. Four figures shall invariably be used, the first two to denote the hour and the last two to denote the minutes past the hour. Thus, 00.00 denotes midnight, 08.05 denotes five minutes past eight in the morning, 19.37 denotes thirty-seven minutes past seven in the evening and 23.59 denotes one minute to midnight.
