The module date.

 field  octets  contents                  range
 =====  ======  =======                  =====
   1      1-2   year                      0..65536
   2       3    month                     1..12
   3       4    day                       1..31
   4       5    hour                      0..23
   5       6    minute                    0..59
   6       7    second                    0..60
                (use 60 for leap-second)


This field will be set to year = 0 if the agent cannot provide
the module date.  The hour, minute, and second field will be set
to zero (0) if they are not relevant.  The year field is set
with the most significant octect first.