QCalendar and jalali calendar in Qt 5.14

main.cpp

#include <QCoreApplication>
#include <QCalendar>
#include <QDate>
#include <QDebug>


int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    QCalendar cal(QLatin1String("jalali"));

    qDebug() << "availableCalendars=" << QCalendar::availableCalendars();

    QString todayJalali = QDate::currentDate().toString("yyyy-MM-dd", cal);
    qDebug() << "Today in jalali calendar=" << todayJalali;

    QDate d(1398, 10, 15, cal);
    qDebug() << "Date 1398/10/15 in julian calendar=" << d.toString();

    return a.exec();
}