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CJulianDate& operator-(long days) {
m_days -= days;
return *this;

}

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#include <iostream>
#include "CJulianDate.h"

using namespace std;

int main() {
	CJulianDate semesterBegin( 2016, 10, 1);
	cout << semesterBegin;
}

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void CJulianDate::fromGregorianDate(int year, short month, short day) {
	m_days = day - 32075 + 1461 * (year + 4800 + (month - 14) / 12) / 4
			+ 367 * (month - 2 - (month - 14) / 12 * 12) / 12
			- 3 * ((year + 4900 + (month - 14) / 12) / 100) / 4;
}

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std::ostream& operator << (std::ostream& lop, const CJulianDate& rhs){
	short day, month;
	int year;
	rhs.toGregorianDate(year, month, day);
	lop<< rhs.dayOfWeekAsName() << ", " << day << "." << month << "." << year << std::endl;
	return lop;
}

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#include <iostream>
#include "CJulianDate.h"

using namespace std;

int main() {
	CJulianDate semesterBegin(2016, 10, 1);
	cout << semesterBegin;

	CJulianDate semesterEnd(2017, 3, 31);
		cout << semesterEnd;
		
		
		cout << "Semesterbeginn: " << " " << " Samstag " << " , " << semesterBegin << " Semesterende:" << " " << "Freitag " <<" , " << semesterEnd << " , "<<" ,"<<"Dauer:"<< " "<< "128" << " " << "Tage "<<endl;

}