SetSystemTime
The SetSystemTime function sets the current system time and date. The system time is expressed in Coordinated Universal Time (UTC).
BOOL SetSystemTime(
CONST SYSTEMTIME *lpSystemTime // address of system time to set
);
Parameters
lpSystemTime
Pointer to a SYSTEMTIME structure that contains the current system date and time.
The wDayOfWeek member of the SYSTEMTIME structure is ignored.
Return Values
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.