当該日付の月の位相の変化範囲
Parameters:
日付
Returns:
1244 1245 1246 1247 1248 1249
# File 'lib/when_exe/ephemeris.rb', line 1244 def phase_range(date) date = date.floor [date, date.succ].map {|d| time_to_cn(d) } end