struct ETW_SYSTEMTIME

typedef struct _ETW_SYSTEMTIME
{
     WORD Year;
     WORD Month;
     WORD DayOfWeek;
     WORD Day;
     WORD Hour;
     WORD Minute;
     WORD Second;
     WORD Milliseconds;
} ETW_SYSTEMTIME, *PETW_SYSTEMTIME;

Windows Vista Kernel Structures