Wilbert Smith Archives Files Box 1136 16 1136-16-p016

Document Text (OCR)

JANAP 146(D) (10) Conditions of sea and weather. * "0714302" is an example of a complete date-time group (DTG). When broken into component parts (07) is the day of the month, followed by (14) the hour in 24 hour time, followed by (30) the minutes of the hour, followed by (Z) the time zone. "2" signifies that Greenwich Mean Time has been used in composing the date-time group. Day of Month Hour Expressed Minutes of Indication that in 24 hour time the hour GMT is being used. EXAMPLE of a...