Class: Zmanim::ZmanimCalendar

Inherits:
AstronomicalCalendar show all
Defined in:
lib/zmanim/zmanim_calendar.rb

Constant Summary collapse

ZENITH_16_POINT_1 = 
GEOMETRIC_ZENITH + 16.1
ZENITH_8_POINT_5 = 
GEOMETRIC_ZENITH + 8.5

Constants inherited from AstronomicalCalendar

AstronomicalCalendar::ASTRONOMICAL_ZENITH, AstronomicalCalendar::CIVIL_ZENITH, AstronomicalCalendar::GEOMETRIC_ZENITH, AstronomicalCalendar::HOUR_MILLIS, AstronomicalCalendar::MINUTE_MILLIS, AstronomicalCalendar::NAUTICAL_ZENITH

Instance Attribute Summary collapse

Attributes inherited from AstronomicalCalendar

#astronomical_calculator, #date, #geo_location

Instance Method Summary collapse

Methods inherited from AstronomicalCalendar

#sea_level_sunrise, #sea_level_sunset, #sun_transit, #sunrise, #sunrise_offset_by_degrees, #sunset, #sunset_offset_by_degrees, #temporal_hour, #utc_sea_level_sunrise, #utc_sea_level_sunset, #utc_sunrise, #utc_sunset

Constructor Details

#initialize(opts = {}) ⇒ ZmanimCalendar

Returns a new instance of ZmanimCalendar.



8
9
10
11
 
# File 'lib/zmanim/zmanim_calendar.rb', line 8

def initialize(opts={})
  super
  @candle_lighting_offset = opts[:candle_lighting_offset] || 18
end

Instance Attribute Details

#candle_lighting_offset ⇒ Object

Returns the value of attribute candle_lighting_offset.



3
4
5
 
# File 'lib/zmanim/zmanim_calendar.rb', line 3

def candle_lighting_offset
  @candle_lighting_offset
end

Instance Method Details

#alos(opts = {degrees: 16.1}) ⇒ Object 



22
23
24
25
 
# File 'lib/zmanim/zmanim_calendar.rb', line 22

def alos(opts={degrees: 16.1})
  degrees, offset = extract_degrees_offset(opts)
  offset_by_minutes(sunrise_offset_by_degrees(GEOMETRIC_ZENITH + degrees), offset)
end

#alos_72 ⇒ Object 



27
28
29
 
# File 'lib/zmanim/zmanim_calendar.rb', line 27

def alos_72
  alos(offset: -72)
end

#candle_lighting ⇒ Object 



45
46
47
 
# File 'lib/zmanim/zmanim_calendar.rb', line 45

def candle_lighting
  offset_by_minutes(sea_level_sunset , -candle_lighting_offset)
end

#mincha_gedola(day_start = sea_level_sunrise, day_end = sea_level_sunset) ⇒ Object 



61
62
63
 
# File 'lib/zmanim/zmanim_calendar.rb', line 61

def mincha_gedola(day_start=sea_level_sunrise, day_end=sea_level_sunset)
  shaos_into_day(day_start, day_end, 6.5)
end

#mincha_ketana(day_start = sea_level_sunrise, day_end = sea_level_sunset) ⇒ Object 



65
66
67
 
# File 'lib/zmanim/zmanim_calendar.rb', line 65

def mincha_ketana(day_start=sea_level_sunrise, day_end=sea_level_sunset)
  shaos_into_day(day_start, day_end, 9.5)
end

#plag_hamincha(day_start = sea_level_sunrise, day_end = sea_level_sunset) ⇒ Object 



69
70
71
 
# File 'lib/zmanim/zmanim_calendar.rb', line 69

def plag_hamincha(day_start=sea_level_sunrise, day_end=sea_level_sunset)
  shaos_into_day(day_start, day_end, 10.75)
end

#shaah_zmanis(day_start, day_end) ⇒ Object 



73
74
75
 
# File 'lib/zmanim/zmanim_calendar.rb', line 73

def shaah_zmanis(day_start, day_end)
  temporal_hour(day_start, day_end)
end

#shaah_zmanis_by_degrees_and_offset(degrees, offset) ⇒ Object 



85
86
87
88
 
# File 'lib/zmanim/zmanim_calendar.rb', line 85

def shaah_zmanis_by_degrees_and_offset(degrees, offset)
  opts = {degrees: degrees, offset: offset}
  shaah_zmanis(alos(opts.merge(offset: -offset)), tzais(opts))
end

#shaah_zmanis_gra ⇒ Object 



77
78
79
 
# File 'lib/zmanim/zmanim_calendar.rb', line 77

def shaah_zmanis_gra
  shaah_zmanis(sea_level_sunrise, sea_level_sunset)
end

#shaah_zmanis_mga ⇒ Object 



81
82
83
 
# File 'lib/zmanim/zmanim_calendar.rb', line 81

def shaah_zmanis_mga
  shaah_zmanis(alos_72, tzais_72)
end

#sof_zman_shma(day_start, day_end) ⇒ Object 



33
34
35
 
# File 'lib/zmanim/zmanim_calendar.rb', line 33

def sof_zman_shma(day_start, day_end)
  shaos_into_day(day_start, day_end, 3)
end

#sof_zman_shma_gra ⇒ Object 



37
38
39
 
# File 'lib/zmanim/zmanim_calendar.rb', line 37

def sof_zman_shma_gra
  sof_zman_shma(sea_level_sunrise, sea_level_sunset)
end

#sof_zman_shma_mga ⇒ Object 



41
42
43
 
# File 'lib/zmanim/zmanim_calendar.rb', line 41

def sof_zman_shma_mga
  sof_zman_shma(alos_72, tzais_72)
end

#sof_zman_tfila(day_start, day_end) ⇒ Object 



49
50
51
 
# File 'lib/zmanim/zmanim_calendar.rb', line 49

def sof_zman_tfila(day_start, day_end)
  shaos_into_day(day_start, day_end, 4)
end

#sof_zman_tfila_gra ⇒ Object 



53
54
55
 
# File 'lib/zmanim/zmanim_calendar.rb', line 53

def sof_zman_tfila_gra
  sof_zman_tfila(sea_level_sunrise, sea_level_sunset)
end

#sof_zman_tfila_mga ⇒ Object 



57
58
59
 
# File 'lib/zmanim/zmanim_calendar.rb', line 57

def sof_zman_tfila_mga
  sof_zman_tfila(alos_72, tzais_72)
end

#tzais(opts = {degrees: 8.5}) ⇒ Object 



13
14
15
16
 
# File 'lib/zmanim/zmanim_calendar.rb', line 13

def tzais(opts={degrees: 8.5})
  degrees, offset = extract_degrees_offset(opts)
  offset_by_minutes(sunset_offset_by_degrees(GEOMETRIC_ZENITH + degrees), offset)
end

#tzais_72 ⇒ Object 



18
19
20
 
# File 'lib/zmanim/zmanim_calendar.rb', line 18

def tzais_72
  tzais(offset: 72)
end