unsigned short JulianMonthDays(const unsigned short month, const int year);
unsigned short GregorianMonthDays(const unsigned short month, const int year);
unsigned short HeisMonthDays(const unsigned short month, const int year);
unsigned int JulianYearDays(const int year);
unsigned int GregorianYearDays(const int year);
unsigned int HeisYearDays(const int year);
bool JulianDaySmaller(const unsigned short day1, const unsigned short month1, const int year1, const unsigned short day2, const unsigned short month2, const int year2);
bool GregorianDaySmaller(const unsigned short day1, const unsigned short month1, const int year1, const unsigned short day2, const unsigned short month2, const int year2);
bool HeisDaySmaller(const unsigned short day1, const unsigned short month1, const int year1, const unsigned short day2, const unsigned short month2, const int year2);
bool JulianDayGreater(const unsigned short day1, const unsigned short month1, const int year1, const unsigned short day2, const unsigned short month2, const int year2);
bool GregorianDayGreater(const unsigned short day1, const unsigned short month1, const int year1, const unsigned short day2, const unsigned short month2, const int year2);
bool HeisDayGreater(const unsigned short day1, const unsigned short month1, const int year1, const unsigned short day2, const unsigned short month2, const int year2);
long JulianDayDiff(const unsigned short day1, unsigned short month1, int year1, const unsigned short day2, unsigned short month2, int year2);
long GregorianDayDiff(const unsigned short day1, unsigned short month1, int year1, const unsigned short day2, unsigned short month2, int year2);
long HeisDayDiff(const unsigned short day1, unsigned short month1, int year1, const unsigned short day2, unsigned short month2, int year2);
Weekdays JulianWeekday(const unsigned short day, unsigned short month, int year);
Weekdays GregorianWeekday(const unsigned short day, unsigned short month, int year);
Weekdays HeisWeekday(const unsigned short day, unsigned short month, int year);
unsigned short JulianDaysBeforeWeekday(const unsigned short day, const unsigned short month, const int year, const Weekdays weekday);
unsigned short GregorianDaysBeforeWeekday(const unsigned short day, const unsigned short month, const int year, const Weekdays weekday);
unsigned short HeisDaysBeforeWeekday(const unsigned short day, const unsigned short month, const int year, const Weekdays weekday);
unsigned short JulianDaysAfterWeekday(const unsigned short day, const unsigned short month, const int year, const Weekdays weekday);
unsigned short GregorianDaysAfterWeekday(const unsigned short day, const unsigned short month, const int year, const Weekdays weekday);
unsigned short HeisDaysAfterWeekday(const unsigned short day, const unsigned short month, const int year, const Weekdays weekday);
void JulianDiffDate(const unsigned short day, const unsigned short month, const int year, int days, unsigned short *dday, unsigned short *dmonth, int *dyear);
void GregorianDiffDate(const unsigned short day, const unsigned short month, const int year, int days, unsigned short *dday, unsigned short *dmonth, int *dyear);
void HeisDiffDate(const unsigned short day, const unsigned short month, const int year, int days, unsigned short *dday, unsigned short *dmonth, int *dyear);
unsigned int JYearToScaliger(const int year);
unsigned int GYearToScaliger(const int year);
unsigned int HYearToScaliger(const int year);
int ScaligerYearToJ(const unsigned int syear);
int ScaligerYearToG(const unsigned int syear);
int ScaligerYearToH(const unsigned int syear);
unsigned long JSYearToJD(const unsigned int syear);
unsigned long GSYearToJD(const unsigned int syear);
unsigned long HSYearToJD(const unsigned int syear);
unsigned long JDtoMJD(const unsigned long jd);
unsigned long MJDtoJD(const unsigned long mjd);
unsigned long JulianToJD(const unsigned short day, const unsigned short month, const int year);
unsigned long GregorianToJD(const unsigned short day, const unsigned short month, const int year);
unsigned long HeisToJD(const unsigned short day, const unsigned short month, const int year);
float TimeToJD(const unsigned short hour, const unsigned short min, const unsigned short sec);
void JDToTime(float jd, unsigned short *rhour, unsigned short *rmin, unsigned short *rsec);
unsigned short GregorianMoonAge(const unsigned short day, const unsigned short month, const int year);
void GregorianEaster(const int year, unsigned short *dday, unsigned short *dmonth);
short TimeZoneFactor(const short degree);
long LMT(const unsigned long secs, const float meridiandegree, const float posdegree);
unsigned long TimeToSec(const unsigned short hour, const unsigned short min, const unsigned short sec);
void SecToTime(unsigned long secs, unsigned short *hour, unsigned short *min, unsigned short *sec);
unsigned short JulianWeek(const unsigned short day, const unsigned short month, const int year);
unsigned short GregorianWeek(const unsigned short day, const unsigned short month, const int year);
unsigned short HeisWeek(const unsigned short day, const unsigned short month, const int year);