Qt Set Datetime

Qt_SetDatetime.cpp

#include <QCoreApplication>
#include <qdatetime.h>
#include <windows.h>


// QT 5.4 - Console Application
// (RUN AS ADMINISTRATOR)
//
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    // Datetime to be applied on system
    //
    QString date="2015-05-05 10:10:10";
    QDateTime dt=QDateTime::fromString(date, "yyyy-MM-dd hh:mm:ss");

    // WinAPI calls
    SYSTEMTIME st;
    GetSystemTime(&st);
    st.wDay    = dt.date().day();
    st.wMonth  = dt.date().month();
    st.wYear   = dt.date().year();
    st.wHour   = dt.time().hour();
    st.wMinute = dt.time().minute();
    st.wSecond = dt.time().second();
    SetSystemTime(&st);

    return a.exec();
}