protected Calendar(int year, int month, int day)
: this()
{
Init();
Year = year;
Month = CalendarCulture.GetMonth(month);
Day = day;
}
protected Calendar(int year, int month, int day, int hour, int minute, int second) : this()
{
Year = year;
Month = CalendarCulture.GetMonth(month);
Day = day;
Hour = hour;
Minute = minute;
Second = second;
}
public IMonth ChangeMonth(IMonth month, int amountOfChangeMonth)
{
if (amountOfChangeMonth >= MonthCount || amountOfChangeMonth < 1)
{
throw new CalendarExceptions();
}
month = CalendarCulture.GetMonth(month + amountOfChangeMonth);
return(month);
}
private IMonth ChangeMonth(int amountOfChangeMonth)
{
if (amountOfChangeMonth >= MonthCount || amountOfChangeMonth < 1)
{
throw new CalendarExceptions();
}
Month = CalendarCulture.GetMonth(Month.Index + amountOfChangeMonth);
return(CalendarCulture.GetMonth(Month));
}
public override ICalendar JulianToDate(double julianNumber)
{
double year;
double month;
double day;
julianNumber = Math.Floor(julianNumber) + 0.5;
year = Math.Floor(((30 * (julianNumber - Epoch)) + 10646) / 10631);
month = Math.Min(12, Math.Ceiling((julianNumber - (29 + DateToJulian(new IslamicDate((int)year, 1, 1)))) / 29.5) + 1);
day = (julianNumber - DateToJulian(new IslamicDate((int)year, (int)month, 1))) + 1;
Year = (int)year;
Month = CalendarCulture.GetMonth((int)month);
Day = (int)day;
return(new IslamicDate(Year, Month, Day));
}
/// <summary>
/// Convert Julian number to persian calendarDate
/// </summary>
/// <param name="julianNumber"></param>
/// <returns></returns>
public override ICalendar JulianToDate(double julianNumber)
{
double year;
double month;
double day;
double depoch;
double cycle;
double cyear;
double ycycle;
double aux1;
double aux2;
double yday;
double jd;
jd = Math.Floor(julianNumber) + 0.5;
depoch = jd - DateToJulian(new PersianArithmeticDate(475, 1, 1));
cycle = Math.Floor(depoch / 1029983);
cyear = Mod(depoch, 1029983);
if (Math.Abs(cyear - 1029982) < 0.5)
{
ycycle = 2820;
}
else
{
aux1 = Math.Floor(cyear / 366);
aux2 = cyear % 366;
ycycle = Math.Floor(((2134 * aux1) + (2816 * aux2) + 2815) / 1028522) + aux1 + 1;
}
year = ycycle + (2820 * cycle) + 474;
year = year <= 0 ? year - 1 : year;
if (year <= 0)
{
year--;
}
yday = (jd - DateToJulian(new PersianArithmeticDate((int)year, 1, 1))) + 1;
month = (yday <= 186) ? Math.Ceiling(yday / 31) : Math.Ceiling((yday - 6) / 30);
day = (jd - DateToJulian(new PersianArithmeticDate((int)year, (int)month, 1))) + 1;
Year = (int)year;
Month = CalendarCulture.GetMonth((int)month);//(int)month;
Day = (int)day;
return(new PersianArithmeticDate(Year, Month, Day));;
}
public sealed override ICalendar JulianToDate(double julianNumber)
{
double wjd;
double depoch;
double quadricent;
double dqc;
double cent;
double dcent;
double quad;
double dquad;
double yindex;
double year;
double yearday;
double leapadj;
wjd = Math.Floor(julianNumber - 0.5) + 0.5;
depoch = wjd - Epoch;
quadricent = Math.Floor(depoch / 146097);
dqc = depoch % 146097;
cent = Math.Floor(dqc / 36524);
dcent = dqc % 36524;
quad = Math.Floor(dcent / 1461);
dquad = dcent % 1461;
yindex = Math.Floor(dquad / 365);
year = (quadricent * 400) + (cent * 100) + (quad * 4) + yindex;
if (!((cent == 4) || (yindex == 4)))
{
year++;
}
yearday = wjd - DateToJulian(new GregorianDate((int)year, 1, 1));
leapadj = ((wjd < DateToJulian(new GregorianDate((int)year, 3, 1))) ? 0
:
(LeapAlgorithm.IsLeap(new GregorianDate((int)year, 1, 1)) ? 1 : 2)
);
var month = Math.Floor((((yearday + leapadj) * 12) + 373) / 367);
var day = (wjd - DateToJulian(new GregorianDate((int)year, (int)month, 1))) + 1;
Year = (int)year;
Month = CalendarCulture.GetMonth((int)month);
Day = (int)day;
return(new GregorianDate(Year, Month, Day));
}
/// <summary>
/// Convert Julian number to persian calendarDate
/// </summary>
/// <param name="julianNumber"></param>
/// <returns></returns>
public override ICalendar JulianToDate(double julianNumber)
{
double year;
double month;
double day;
double equinox;
double yday;
double[] adr;
var jd = Math.Floor(julianNumber) + 0.5;
adr = CalcYear(jd);
year = adr[0];
equinox = adr[1];
day = Math.Floor((jd - equinox) / 30) + 1;
yday = (Math.Floor(jd) - DateToJulian(new PersianDate((int)year, 1, 1))) + 1;
month = (yday <= 186) ? Math.Ceiling(yday / 31) : Math.Ceiling((yday - 6) / 30);
day = (Math.Floor(jd) - DateToJulian(new PersianDate((int)year, (int)month, 1))) + 1;
Year = (int)year;
Month = CalendarCulture.GetMonth((int)month);
Day = (int)day;
return(new PersianDate(Year, Month, Day));
}
protected override void Init()
{
CalendarCulture = new PersianCalendarCulture();
LeapAlgorithm = new PersianOfficialLeap();
}
protected override void Init()
{
CalendarCulture = new GregorianCalendarCulture();
LeapAlgorithm = new GregorianLeap();
}
protected override void Init()
{
CalendarCulture = new IslamicCalendarCulture();
LeapAlgorithm = new IslamicLeap();
}
