Leap year,

• Tackle box calendar of story
  http://huukoubou.cocolog-nifty.com/blog/2009/10/post-6baa.html
  Looking at [ho] [karenda], the way those which you find if with you admired, that the how how [zu] [] [tsu] which looked at the calendar other year how is, and 4,6,8,10,12 where the calendar is reeled

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  belief , original meaning
  
  
• 江戸の暦・暦法
  http://ashitanojyo.cocolog-nifty.com/blog/2009/07/post-46b7.html
  Because and, present Monday, there is no concept of the day of the week such as Tuesday in the old calendar, largest function of the calendar, was something in order to know whether that month small month of large month or 29 days of 30 days

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  Porque y, actual lunes, allí no es ningún concepto del día de la semana tal como martes en el calendario viejo, la función más grande del calendario, era algo para saber si ese mes pequeño mes del mes grande o de 29 días de 30 días