C++ (Qt)QDateTime::toLocalTime() - QDateTime::toUTC()
C++ (Qt)QDateTime::toLocalTime().currentMSecsSinceEpoch() - QDateTime::toUTC().currentMSecsSinceEpoch()
C++ (Qt)int getTimeZone(){ QDateTime dLocal = QDateTime::currentDateTime(); return dLocal.time().hour() - dLocal.toUTC().time().hour();}