Class BahaiCalendar

java.lang.Object

org.episteme.social.history.calendars.AlternateCalendar

org.episteme.social.history.calendars.SevenDaysWeek

org.episteme.social.history.calendars.BahaiCalendar

All Implemented Interfaces:

Serializable

public class BahaiCalendar
extends SevenDaysWeek

Implementation of the Bahá'í (Badí') calendar. The Bahá'í calendar is a solar calendar used by the Bahá'í Faith, consisting of 19 months of 19 days, plus intercalary days.

Key features:

• Epoch: March 21, 1844 CE
• 19 months of 19 days each (361 days)
• 4-5 intercalary days (Ayyám-i-Há)
• 19-year cycles (Váhid) and 361-year major cycles (Kull-i-Shay)

* @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
static final long	EPOCH	The RD number of the Bahá'í epoch (March 21, 1844).

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
BahaiCalendar()	Creates a new BahaiCalendar object.
BahaiCalendar(int i, int j, int k, int l, int i1)	Creates a new BahaiCalendar object.
BahaiCalendar(long l)	Creates a new BahaiCalendar object.
BahaiCalendar(AlternateCalendar altcalendar)	Creates a new BahaiCalendar object.

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)	Main method for testing the Bahá'í calendar implementation.
void	recomputeFromRD()	Recomputes the Bahá'í date fields from the current Rata Die number.
void	recomputeRD()	Recomputes the Rata Die number from the Bahá'í date fields.
void	set(int i, int j, int k, int l, int i1)	Sets the Bahá'í cycle components and recomputes the Rata Die date.
void	set(long l)	Sets the Rata Die number and recomputes the date fields.
String	toString()	Returns a string representation of the Bahá'í date.

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

EPOCH

public static final long EPOCH

The RD number of the Bahá'í epoch (March 21, 1844).

Constructor Details

BahaiCalendar

public BahaiCalendar()

Creates a new BahaiCalendar object.

BahaiCalendar

public BahaiCalendar(long l)

Creates a new BahaiCalendar object.

Parameters:

l - the Rata Die number.

BahaiCalendar

public BahaiCalendar(AlternateCalendar altcalendar)

Creates a new BahaiCalendar object.

Parameters:

altcalendar - another calendar to initialize from.

BahaiCalendar

public BahaiCalendar(int i,
 int j,
 int k,
 int l,
 int i1)

Creates a new BahaiCalendar object.

Parameters:

i - the Kull-i-Shay (major cycle).

j - the Váhid (cycle).

k - the year within Váhid.

l - the month.

i1 - the day.

Method Details

set

public void set(long l)

Sets the Rata Die number and recomputes the date fields.

Specified by:

set in class AlternateCalendar

Parameters:

l - the Rata Die number.

set

public void set(int i,
 int j,
 int k,
 int l,
 int i1)

Sets the Bahá'í cycle components and recomputes the Rata Die date.

Parameters:

i - the Kull-i-Shay.

j - the Váhid.

k - the year.

l - the month.

i1 - the day.

recomputeRD

public void recomputeRD()

Recomputes the Rata Die number from the Bahá'í date fields.

Specified by:

recomputeRD in class AlternateCalendar

recomputeFromRD

public void recomputeFromRD()

Recomputes the Bahá'í date fields from the current Rata Die number.

Specified by:

recomputeFromRD in class AlternateCalendar

toString

public String toString()

Returns a string representation of the Bahá'í date.

Specified by:

toString in class AlternateCalendar

Returns:

the date string.

main

public static void main(String[] args)

Main method for testing the Bahá'í calendar implementation.

Parameters:

args - command line arguments.