Class: When::CalendarTypes::EphemerisBasedIslamic

Inherits:
EphemerisBasedLunar show all
Defined in:
lib/when_exe/region/islamic.rb

Overview

月日の配当が新月の初見によって決定される純太陰暦

Calendar based on the first visibilty of new moon

Constant Summary

Constants included from Lunar

Lunar::Pattern

Constants inherited from TM::Calendar

TM::Calendar::HashProperty

Constants included from When::Coordinates

When::Coordinates::Bahai, When::Coordinates::Chinese, When::Coordinates::Common, When::Coordinates::DefaultDateIndices, When::Coordinates::DefaultDayIndex, When::Coordinates::DefaultTimeIndices, When::Coordinates::Indian, When::Coordinates::Iranian, When::Coordinates::Javanese, When::Coordinates::MATCH, When::Coordinates::Mayan, When::Coordinates::PERIOD, When::Coordinates::PERIOD_NAME, When::Coordinates::PRECISION, When::Coordinates::PRECISION_NAME, When::Coordinates::Russian, When::Coordinates::Tibetan, When::Coordinates::VALUE, When::Coordinates::Yi

Constants included from Parts::Resource

Parts::Resource::ConstList, Parts::Resource::ConstTypes, Parts::Resource::IRIDecode, Parts::Resource::IRIDecodeTable, Parts::Resource::IRIEncode, Parts::Resource::IRIEncodeTable, Parts::Resource::IRIHeader, Parts::Resource::LabelProperty

Instance Attribute Summary

Attributes inherited from EphemerisBased

#formula

Attributes inherited from TM::Calendar

#diff_to_CE, #epoch_in_CE, #reference_frame, #time_basis

Attributes included from TimeStandard::TimeBasis

#_time_basis

Attributes inherited from TM::ReferenceSystem

#domain_of_validity, #position

Attributes inherited from BasicTypes::Object

#label

Attributes included from Parts::Resource

#_pool, #child, #keys, #locale, #namespace

Instance Method Summary collapse

Methods included from Lunar

#_verify, #lunar_table, #verify

Methods inherited from EphemerisBased

#_coordinates_to_number, #_length, #_number_to_coordinates, #_sum_

Methods inherited from TM::Calendar

_setup_, #_to_month_number_, #date_trans, #jul_trans, #rate_of_clock, #strftime, #time_standard, #to_cal_date, #to_julian_date, #to_universal_time

Methods included from TimeStandard::TimeBasis

#_normalize_time_basis

Methods included from When::Coordinates

to_deg, to_deg_225, to_dms

Methods inherited from TM::ReferenceSystem

#domain, #name

Methods included from Parts::Resource

#[], #^, _abbreviation_to_iri, _decode, _encode, _extract_prefix, _instance, _instantiate, _parse, _path_with_prefix, _replace_tags, _setup_, _setup_info, _simplify_path, base_uri, #each, #enum_for, #hierarchy, #include?, #included?, #iri, #leaf?, #m17n, #map, #next, #parent, #prev, #registered?, root_dir

Methods included from Parts::Resource::Pool

#[], #[]=, #_pool, #_setup_, #pool_keys

Methods included from Parts::Resource::Synchronize

#synchronize

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class When::Parts::Resource

Instance Method Details

#_new_month_(m) ⇒ Integer

月初の通日

Parameters:

  • m (Integer) —

    通月

Returns:

  • (Integer) —

    月初の通日



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# File 'lib/when_exe/region/islamic.rb', line 79

def _new_month_(m)
  jdn  = (@formula[-1].cn_to_time(m + @cycle_offset) + 0.5 + 
          @location.long / (When::Coordinates::Spatial::DEGREE * 360)).floor - 1
  jdn += 1 while @formula[-1].moon_visibility(jdn) < 0
  return jdn
end