# File AlmanacForRuby/AlmanacOrientalZodiac.rb, line 309
  def get_jyuunishi_number(oriental_zodiac_number)
    
    # 十二支番号 = 干支番号 % 12
    jyuunishi_number = oriental_zodiac_number % 12

    return jyuunishi_number
  end