Convert a NT system time (Integer8), in (10^-7)s intervals from 0h 1-Jan 1601, into a readable format. (pwdLastSet, lastLogon, etc)
w32tm /ntte %time%
Convert an NTP time, in (2^-32)s intervals from 0h 1-Jan 1900, into a readable format. (whenChanged, etc)
w32tm /ntpte %time%
Convert a datetime value to a NT system time (Opposite)
http://www.petri.co.il/software/datetointeger8.zip