To specify pertinent dates and times
Code specifying type of date.
Date (YYMMDD).
Code specifying the reported time.
Time expressed in 24-hour clock time (HHMMSS) (Time range: 000000 through 235959)
Code identifying the time. In accordance with International Standards Organization standard 8601, time can be specified by a + or - and an indication in hours in relation to Universal Time Coordinate (UTC) time.
Since + is a restricted character, + and - are substituted by P and M in the codes that follow.