module Zakuro::Gihou::Origin::WinterSolstice
Constants
- BEGIN_YEAR
@return [Integer] 暦の開始年
- LOGGER
@return [Output::Logger] ロガー
- REMAINDER_ALL_YEAR
@return [Integer] 通余
- SIXTY_DAYS
@return [Integer] 60日
- TOTAL_YEAR
@return [Integer] 積年
Public Class Methods
get(western_year:)
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対象年の前年の冬至を求める
@param [Integer] western_year 西暦年
@return [Remainder] 前年の冬至
# File lib/zakuro/version/gihou/stella/origin/winter_solstice.rb, line 38 def self.get(western_year:) # 積年の開始から対象年までの年数 total = TOTAL_YEAR + western_year - BEGIN_YEAR remainder_year = total % SIXTY_DAYS LOGGER.debug("[01]:#{remainder_year}") # 通余を使う winter_solstice_minute = (remainder_year * REMAINDER_ALL_YEAR) % SIXTY_DAYS LOGGER.debug("[02]:#{winter_solstice_minute}") Cycle::Remainder.new(total: winter_solstice_minute) end