ConvertSystemTime Function  
 
DWORD WINAPI ConvertSystemTime(
  LPSYSTEMTIME lpSystemTime  
);

The ConvertSystemTime function converts the specified system time to network time. The network time value is a 32-bit number, represented as the number of seconds since midnight, 1 January 1900 UTC.

Parameters

lpSystemTime
A pointer to a SYSTEMTIME structure which will be modified for the specified network time.

Return Value

If the system time could be converted, the function returns the number of seconds since midnight, 1 January 1900 UTC. If the pointer to the SYSTEMTIME structure is invalid, or the structure contains invalid data, the function will return zero.

Remarks

The network time value can represent a date and time up to the year 2036.

Requirements

Client: Requires Windows 7, Windows Vista or Windows XP.
Server: Requires Windows Server 2008 or Windows Server 2003.
Header: Include cstools7.h.
Library: Use cstimav7.lib.
Unicode: Implemented as Unicode and ANSI versions.

See Also

ConvertNetworkTime, UpdateLocalTime