Class ModifiedHinduLunarCalendar

java.lang.Object

org.episteme.social.history.calendars.AlternateCalendar

org.episteme.social.history.calendars.SevenDaysWeek

org.episteme.social.history.calendars.MonthDayYear

org.episteme.social.history.calendars.OldHinduSolarCalendar

org.episteme.social.history.calendars.OldHinduLunarCalendar

org.episteme.social.history.calendars.ModifiedHinduLunarCalendar

All Implemented Interfaces:

Serializable

public class ModifiedHinduLunarCalendar
extends OldHinduLunarCalendar

Modified Hindu Lunar calendar using floating-point arithmetic. This calendar uses modern astronomical calculations for lunar month determinations with support for leap months and leap days. * @version 2.0

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	leapday	True if this is a duplicated (leap) day.
protected static final int	LUNARERA	Offset for the lunar era (Vikrama Era).
protected static org.episteme.social.history.calendars.ModifiedHinduCalendar	mh	Delegate for Hindu astronomical calculations.

Fields inherited from class OldHinduLunarCalendar

leap, LUNARDAY, LUNARMONTH, MONTHS

Fields inherited from class OldHinduSolarCalendar

EPOCH, JOVIANPERIOD, SIDEREALYEAR, SOLARMONTH

Fields inherited from class MonthDayYear

day, month, year

Fields inherited from class SevenDaysWeek

DAY_NAMES, FRIDAY, MONDAY, SATURDAY, SUNDAY, THURSDAY, TUESDAY, WEDNESDAY

Fields inherited from class AlternateCalendar

JD_EPOCH, rd, unicode

Constructor Summary

Constructors

Constructor	Description
ModifiedHinduLunarCalendar()	Creates a new ModifiedHinduLunarCalendar object.
ModifiedHinduLunarCalendar(int i, boolean flag, int j, boolean flag1, int k)	Creates a new ModifiedHinduLunarCalendar object.
ModifiedHinduLunarCalendar(long l)	Creates a new ModifiedHinduLunarCalendar object.
ModifiedHinduLunarCalendar(AlternateCalendar altcalendar)	Creates a new ModifiedHinduLunarCalendar object.

Method Summary

Modifier and Type	Method	Description
boolean	getLeapDay()	Returns true if the current day is a leap day.
String	getSuffix()	Returns the era suffix for this calendar.
static void	main(String[] args)	Main method for testing Hindu lunar calendar calculations.
boolean	precedes(ModifiedHinduLunarCalendar modhindulunar)	Checks if this date precedes another Hindu lunar date.
void	recomputeFromRD()	Recomputes the Hindu lunar date components from the current Rata Die number.
void	recomputeRD()	Recomputes the Rata Die number from the current Hindu lunar date components.
void	set(int i, boolean flag, int j, boolean flag1, int k)	Sets the Hindu lunar date components.
String	toString()	Returns a string representation of the Hindu lunar date.

Methods inherited from class OldHinduLunarCalendar

getLeap, getMonths, isLeapYear, monthName, set, set, set

Methods inherited from class OldHinduSolarCalendar

dayCount, jovianYear

Methods inherited from class MonthDayYear

getDay, getMonth, getYear

Methods inherited from class SevenDaysWeek

kDayAfter, kDayBefore, kDayNearest, kDayOnOrAfter, kDayOnOrBefore, nthKDay, weekDay, weekDayName

Methods inherited from class AlternateCalendar

add, amod, difference, difference, floorDiv, fromJD, isAfter, isBefore, mod, mod, subtract, toJD, toJD, toRD

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

LUNARERA

protected static final int LUNARERA

Offset for the lunar era (Vikrama Era).

See Also:

• Constant Field Values

mh

protected static org.episteme.social.history.calendars.ModifiedHinduCalendar mh

Delegate for Hindu astronomical calculations.

leapday

protected boolean leapday

True if this is a duplicated (leap) day.

Constructor Details

ModifiedHinduLunarCalendar

public ModifiedHinduLunarCalendar(long l)

Creates a new ModifiedHinduLunarCalendar object.

Parameters:

l - Rata Die number.

ModifiedHinduLunarCalendar

public ModifiedHinduLunarCalendar(AlternateCalendar altcalendar)

Creates a new ModifiedHinduLunarCalendar object.

Parameters:

altcalendar - another calendar to initialize from.

ModifiedHinduLunarCalendar

public ModifiedHinduLunarCalendar()

Creates a new ModifiedHinduLunarCalendar object.

ModifiedHinduLunarCalendar

public ModifiedHinduLunarCalendar(int i,
 boolean flag,
 int j,
 boolean flag1,
 int k)

Creates a new ModifiedHinduLunarCalendar object.

Parameters:

i - the month number.

flag - true if leap month.

j - the day number.

flag1 - true if leap day.

k - the year number.

Method Details

set

public void set(int i,
 boolean flag,
 int j,
 boolean flag1,
 int k)

Sets the Hindu lunar date components.

Parameters:

i - the month number.

flag - true if leap month.

j - the day number.

flag1 - true if leap day.

k - the year number.

recomputeFromRD

public void recomputeFromRD()

Recomputes the Hindu lunar date components from the current Rata Die number.

Overrides:

recomputeFromRD in class OldHinduLunarCalendar

precedes

public boolean precedes(ModifiedHinduLunarCalendar modhindulunar)

Checks if this date precedes another Hindu lunar date.

Parameters:

modhindulunar - the other date.

Returns:

true if this date is before the other.

recomputeRD

public void recomputeRD()

Recomputes the Rata Die number from the current Hindu lunar date components.

Overrides:

recomputeRD in class OldHinduLunarCalendar

Throws:

InconsistentDateException - if the date is invalid.

getLeapDay

public boolean getLeapDay()

Returns true if the current day is a leap day.

Returns:

true if leap day.

toString

public String toString()

Returns a string representation of the Hindu lunar date.

Overrides:

toString in class MonthDayYear

Returns:

string representation.

getSuffix

public String getSuffix()

Returns the era suffix for this calendar.

Overrides:

getSuffix in class OldHinduLunarCalendar

Returns:

the suffix string.

main

public static void main(String[] args)

Main method for testing Hindu lunar calendar calculations.

Parameters:

args - command line arguments.