Class OldHinduSolarCalendar

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

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ModifiedHinduSolarBRCalendar, ModifiedHinduSolarCalendar, OldHinduLunarCalendar

public class OldHinduSolarCalendar
extends MonthDayYear

Implementation of the Old Hindu Solar calendar (Surya Siddhanta). * @version 2.1

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static final long	EPOCH	The RD (Rata Die) number for the Old Hindu Solar calendar epoch (Kali Yuga).
protected static final Rational	JOVIANPERIOD	The Jovian period (cycle of Jupiter) in days.
protected static final String[]	MONTHS	List of Hindu solar month names.
protected static final Rational	SIDEREALYEAR	The length of the sidereal year in days.
protected static final Rational	SOLARMONTH	The length of a solar month in days.

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
OldHinduSolarCalendar()
OldHinduSolarCalendar(int i, int j, int k)
OldHinduSolarCalendar(long l)
OldHinduSolarCalendar(AlternateCalendar altcalendar)

Method Summary

Modifier and Type	Method	Description
long	dayCount()
Enumeration<String>	getMonths()	Returns an enumeration of all month names for this calendar.
protected String	getSuffix()	Returns the era suffix for display (e.g., "CE", "BCE", "AH").
int	jovianYear()
static void	main(String[] args)
protected String	monthName()	Returns the name of the current month.
protected void	recomputeFromRD()	Recomputes the calendar-specific fields from the current Rata Die.
protected void	recomputeRD()	Recomputes the Rata Die from the calendar-specific fields.
void	set(int i, int j, int k)	Sets the calendar to the specified date and recomputes the Rata Die.
void	set(long l)	Sets this calendar to the specified Rata Die and recomputes the calendar fields.

Methods inherited from class MonthDayYear

getDay, getMonth, getYear, toString

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

protected static final long EPOCH

The RD (Rata Die) number for the Old Hindu Solar calendar epoch (Kali Yuga).

SIDEREALYEAR

protected static final Rational SIDEREALYEAR

The length of the sidereal year in days.

JOVIANPERIOD

protected static final Rational JOVIANPERIOD

The Jovian period (cycle of Jupiter) in days.

SOLARMONTH

protected static final Rational SOLARMONTH

The length of a solar month in days.

MONTHS

protected static final String[] MONTHS

List of Hindu solar month names.

Constructor Details

OldHinduSolarCalendar

public OldHinduSolarCalendar(long l)

OldHinduSolarCalendar

public OldHinduSolarCalendar(AlternateCalendar altcalendar)

OldHinduSolarCalendar

public OldHinduSolarCalendar()

OldHinduSolarCalendar

public OldHinduSolarCalendar(int i,
 int j,
 int k)

Method Details

dayCount

public long dayCount()

jovianYear

public int jovianYear()

recomputeRD

protected void recomputeRD()

Description copied from class: AlternateCalendar

Recomputes the Rata Die from the calendar-specific fields. Called after setting individual calendar fields.

Specified by:

recomputeRD in class AlternateCalendar

recomputeFromRD

protected void recomputeFromRD()

Description copied from class: AlternateCalendar

Recomputes the calendar-specific fields from the current Rata Die. Called after setting the RD value.

Specified by:

recomputeFromRD in class AlternateCalendar

set

public void set(long l)

Description copied from class: AlternateCalendar

Sets this calendar to the specified Rata Die and recomputes the calendar fields.

Specified by:

set in class AlternateCalendar

Parameters:

l - the new Rata Die value

set

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

Description copied from class: MonthDayYear

Sets the calendar to the specified date and recomputes the Rata Die.

Overrides:

set in class MonthDayYear

Parameters:

i - the year

j - the month

k - the day of month

monthName

protected String monthName()

Description copied from class: MonthDayYear

Returns the name of the current month.

Specified by:

monthName in class MonthDayYear

Returns:

the month name

getSuffix

protected String getSuffix()

Description copied from class: MonthDayYear

Returns the era suffix for display (e.g., "CE", "BCE", "AH").

Specified by:

getSuffix in class MonthDayYear

Returns:

the suffix string

getMonths

public Enumeration<String> getMonths()

Description copied from class: MonthDayYear

Returns an enumeration of all month names for this calendar.

Specified by:

getMonths in class MonthDayYear

Returns:

month names enumeration

main

public static void main(String[] args)