The date of the software item, if any.
field octets contents range
===== ====== ======= =====
1 1-2 year 0..65535
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)
The year field is set with the most significant octet first.
An entry of zero (0) means that there is no date associated with
this software item. Zero is the default.