The NLPR_LOGON_HOURS structure contains the logon policy information that specifies when a user account is permitted to authenticate.
typedef struct _NLPR_LOGON_HOURS {
USHORT UnitsPerWeek;
[size_is(1260), length_is((UnitsPerWeek + 7)/8)]
UCHAR * LogonHours;
} NLPR_LOGON_HOURS,
*PNLPR_LOGON_HOURS;
The fields in this structure have the same meanings as identically named fields of the SAMPR_LOGON_HOURS structure, as specified in [MS-SAMR] section 2.2.6.5.