Calculate National Holidays of Japan
(date2 の holiday.rb と比較して)
(holiday_jp と比較して)
RubyGems によるインストール
gem install holiday_japan
または、holiday_japan.rb
のスクリプトファイルを ruby のライブラリパスに置く
require 'holiday_japan'
check(date)
― Dateクラスのオブジェクトによる祝日判定
HolidayJapan.check(Date.new(2022,3,21))
=> true
name(date)
― 日付が祝日の場合は祝日名を返し、祝日でなければ nil を返す。
HolidayJapan.name(Date.new(2022,3,21))
=> "春分の日"
print_year(year)
― ある年の祝日一覧をプリント
$ ruby -r holiday_japan -e 'HolidayJapan.print_year 2022'
listing year 2022...
2022-01-01 Sat 元日
2022-01-10 Mon 成人の日
2022-02-11 Fri 建国記念の日
2022-02-23 Wed 天皇誕生日
2022-03-21 Mon 春分の日
2022-04-29 Fri 昭和の日
2022-05-03 Tue 憲法記念日
2022-05-04 Wed みどりの日
2022-05-05 Thu こどもの日
2022-07-18 Mon 海の日
2022-08-11 Thu 山の日
2022-09-19 Mon 敬老の日
2022-09-23 Fri 秋分の日
2022-10-10 Mon スポーツの日
2022-11-03 Thu 文化の日
2022-11-23 Wed 勤労感謝の日
list_year(year)
― ある年について、 [日付, 祝日名] のArrayを返す
HolidayJapan.list_year(2022)
=> [[#<Date: 2022-01-01 ((2459581j,0s,0n),+0s,2299161j)>, "元日"],
[#<Date: 2022-01-10 ((2459590j,0s,0n),+0s,2299161j)>, "成人の日"],
[#<Date: 2022-02-11 ((2459622j,0s,0n),+0s,2299161j)>, "建国記念の日"],
[#<Date: 2022-02-23 ((2459634j,0s,0n),+0s,2299161j)>, "天皇誕生日"],
[#<Date: 2022-03-21 ((2459660j,0s,0n),+0s,2299161j)>, "春分の日"],
[#<Date: 2022-04-29 ((2459699j,0s,0n),+0s,2299161j)>, "昭和の日"],
[#<Date: 2022-05-03 ((2459703j,0s,0n),+0s,2299161j)>, "憲法記念日"],
[#<Date: 2022-05-04 ((2459704j,0s,0n),+0s,2299161j)>, "みどりの日"],
[#<Date: 2022-05-05 ((2459705j,0s,0n),+0s,2299161j)>, "こどもの日"],
[#<Date: 2022-07-18 ((2459779j,0s,0n),+0s,2299161j)>, "海の日"],
[#<Date: 2022-08-11 ((2459803j,0s,0n),+0s,2299161j)>, "山の日"],
[#<Date: 2022-09-19 ((2459842j,0s,0n),+0s,2299161j)>, "敬老の日"],
[#<Date: 2022-09-23 ((2459846j,0s,0n),+0s,2299161j)>, "秋分の日"],
[#<Date: 2022-10-10 ((2459863j,0s,0n),+0s,2299161j)>, "スポーツの日"],
[#<Date: 2022-11-03 ((2459887j,0s,0n),+0s,2299161j)>, "文化の日"],
[#<Date: 2022-11-23 ((2459907j,0s,0n),+0s,2299161j)>, "勤労感謝の日"]]
hash_year(year)
― ある年について、 {日付=>祝日名} のHashを返す
HolidayJapan.hash_year(2022)
=> {#<Date: 2022-01-01 ((2459581j,0s,0n),+0s,2299161j)>=>"元日",
#<Date: 2022-01-10 ((2459590j,0s,0n),+0s,2299161j)>=>"成人の日",
#<Date: 2022-02-11 ((2459622j,0s,0n),+0s,2299161j)>=>"建国記念の日",
#<Date: 2022-02-23 ((2459634j,0s,0n),+0s,2299161j)>=>"天皇誕生日",
#<Date: 2022-03-21 ((2459660j,0s,0n),+0s,2299161j)>=>"春分の日",
#<Date: 2022-04-29 ((2459699j,0s,0n),+0s,2299161j)>=>"昭和の日",
#<Date: 2022-05-03 ((2459703j,0s,0n),+0s,2299161j)>=>"憲法記念日",
#<Date: 2022-05-04 ((2459704j,0s,0n),+0s,2299161j)>=>"みどりの日",
#<Date: 2022-05-05 ((2459705j,0s,0n),+0s,2299161j)>=>"こどもの日",
#<Date: 2022-07-18 ((2459779j,0s,0n),+0s,2299161j)>=>"海の日",
#<Date: 2022-08-11 ((2459803j,0s,0n),+0s,2299161j)>=>"山の日",
#<Date: 2022-09-19 ((2459842j,0s,0n),+0s,2299161j)>=>"敬老の日",
#<Date: 2022-09-23 ((2459846j,0s,0n),+0s,2299161j)>=>"秋分の日",
#<Date: 2022-10-10 ((2459863j,0s,0n),+0s,2299161j)>=>"スポーツの日",
#<Date: 2022-11-03 ((2459887j,0s,0n),+0s,2299161j)>=>"文化の日",
#<Date: 2022-11-23 ((2459907j,0s,0n),+0s,2299161j)>=>"勤労感謝の日"}
between(from_date,to_date)
― from_date から to_date までの祝日について、{日付=>祝日名}のHashを返す
HolidayJapan.between("2022-4-1","2023-3-31")
=> {#<Date: 2022-04-29 ((2459699j,0s,0n),+0s,2299161j)>=>"昭和の日",
#<Date: 2022-05-03 ((2459703j,0s,0n),+0s,2299161j)>=>"憲法記念日",
#<Date: 2022-05-04 ((2459704j,0s,0n),+0s,2299161j)>=>"みどりの日",
#<Date: 2022-05-05 ((2459705j,0s,0n),+0s,2299161j)>=>"こどもの日",
#<Date: 2022-07-18 ((2459779j,0s,0n),+0s,2299161j)>=>"海の日",
#<Date: 2022-08-11 ((2459803j,0s,0n),+0s,2299161j)>=>"山の日",
#<Date: 2022-09-19 ((2459842j,0s,0n),+0s,2299161j)>=>"敬老の日",
#<Date: 2022-09-23 ((2459846j,0s,0n),+0s,2299161j)>=>"秋分の日",
#<Date: 2022-10-10 ((2459863j,0s,0n),+0s,2299161j)>=>"スポーツの日",
#<Date: 2022-11-03 ((2459887j,0s,0n),+0s,2299161j)>=>"文化の日",
#<Date: 2022-11-23 ((2459907j,0s,0n),+0s,2299161j)>=>"勤労感謝の日",
#<Date: 2023-01-01 ((2459946j,0s,0n),+0s,2299161j)>=>"元日",
#<Date: 2023-01-02 ((2459947j,0s,0n),+0s,2299161j)>=>"振替休日",
#<Date: 2023-01-09 ((2459954j,0s,0n),+0s,2299161j)>=>"成人の日",
#<Date: 2023-02-11 ((2459987j,0s,0n),+0s,2299161j)>=>"建国記念の日",
#<Date: 2023-02-23 ((2459999j,0s,0n),+0s,2299161j)>=>"天皇誕生日",
#<Date: 2023-03-21 ((2460025j,0s,0n),+0s,2299161j)>=>"春分の日"}
$ ruby -r csv -r holiday_japan -e 'CSV.open("holiday.csv","w"){|c| HolidayJapan.between(2021,2022).each{|a| c<<a}}'
$ head -n3 holiday.csv ; echo ...; tail -n3 holiday.csv
2021-01-01,元日
2021-01-11,成人の日
2021-02-11,建国記念の日
...
2022-10-10,スポーツの日
2022-11-03,文化の日
2022-11-23,勤労感謝の日
Masahiro TANAKA
(C) Copyright 2003-2022 by Masahiro TANAKA
This program is free software under MIT license.
See LICENSE.txt.
NO WARRANTY.
2018-04-14 ver 1.4 祝日データ仕様変更、2019,2020年対応
2017-12-01 ver 1.3 print_between 関数追加
2015-04-11 ver 1.2 hash_year, between 関数追加
2014-05-23 ver 1.1 「山の日」追加
2012-12-23 ver 1.0 モジュール名を Holiday から HolidayJapan に変更
2007-08-02 ver 0.9 リファクタリング
2007-03-08 ver 0.8 祝日データクラスを統一、データを配列で記述
2006-02-06 ver 0.7 平成19年(西暦2007年)の暦要項 反映(祝日法改正)
Holiday.create_table 修正
Holiday.list_year 追加
2003-10-02 ver 0.6 祝日データ追加
2003-09-29 ver 0.5
2003-09-22 ver 0.4
2003-09-20 ver 0.3
2003-09-16 ver 0.2
2003-09-15 ver 0.1