Coversion of SYSTEMTIME TO FILETIME

[C++ Programming]

I have a Problem when coverting System time to file time and assigning it to a Mail in Mapi, My problem is i dont have control on setting AM,Pm of a time and which is adding 5:30 hrs extra to a time how to control AM and PM and assign a correct time i need the conversion compulsory,

Any help is highly appreciated


SYSTEMTIME systemtime;
FILETIME filetime;
systemtime.wYear=2009;
systemtime.wMonth=3;
systemtime.wDay=1;
systemtime.wDayOfWeek=5;
systemtime.wHour=5;

systemtime.wMinute=30;

systemtime.wSecond=17;

systemtime.wMilliseconds=39;



SystemTimeToFileTime(&systemtime,&filetime);


prop.ulPropTag = PR_CREATION_TIME;
prop.Value.ft=filetime;
pNewMessage->SetProps(1,&prop,NULL);