The 18-digit Active Directory timestamps, also named 'Windows NT time format', 'Win32 FILETIME or SYSTEMTIME' or NTFS file time. These are used in Microsoft Active Directory for pwdLastSet, accountExpires, LastLogon, LastLogonTimestamp, and LastPwdSet. The timestamp is the number of 100-nanosecond intervals (1 nanosecond = one billionth of a second) since Jan 1, 1601 UTC.
