int weekOfYear(const QDateTime& dateTime) {
    // Convert values
    time_t tm = dateTime.toTime_t();
    struct tm* ts = localtime(&tm);
    char weekStr[2];
    memset(weekStr, 0, sizeof(weekStr));

    // Get the week number
    if ( strftime(weekStr, 3, "%W", ts) <= 0 ) {
        qDebug() << "Error converting dateTime";
    }

    return QString::fromLatin1(weekStr, 2).toInt();
}