2.2.2.19.1.1 TS_SYSTEMTIME

 Information about a time zone. This structure is identical to the structure SYSTEMTIME. For more information, see [MSDN-SYSTIME].

 typedef struct _TS_SYSTEMTIME {
   USHORT wYear;
   USHORT wMonth;
   USHORT wDayOfWeek;
   USHORT wDay;
   USHORT wHour;
   USHORT wMinute;
   USHORT wSecond;
   USHORT wMilliseconds;
 } TS_SYSTEMTIME;

wYear: The year when transition from daylight saving time to standard time occurs (1601 to 30827).

wMonth: The month when transition from daylight saving time to standard time occurs.

This member can be one of the following values.

Value	Meaning
1	January
2	February
3	March
4	April
5	May
6	June
7	July
8	August
9	September
10	October
11	November
12	December

wDayOfWeek: The day of the week when the transition from daylight saving time to standard time occurs.

This member can be one of the following values.

Value	Meaning
0	Sunday
1	Monday
2	Tuesday
3	Wednesday
4	Thursday
5	Friday
6	Saturday

wDay: The occurrence of wDayOfWeek within the month when the transition from daylight saving time to standard time takes place.

This member can be one of the following values.

Value	Meaning
1	First occurrence of wDayOfWeek
2	Second occurrence of wDayOfWeek
3	Third occurrence of wDayOfWeek
4	Fourth occurrence of wDayOfWeek
5	Last occurrence of wDayOfWeek

wHour: The hour when transition from daylight saving time to standard time occurs (0 to 23).

wMinute: The minute when transition from daylight saving time to standard time occurs (0 to 59).

wSecond: The second when transition from daylight saving time to standard time occurs (0 to 59).

wMilliseconds: The millisecond when transition from daylight saving time to standard time occurs (0 to 999).