novapost/workalendar — pull request #22 by grigouze (2013-11-30 16:02:48+00:00)
Title: add calendar for japan

Calendar for Japan.

There is a problem with "Vernal Equinox Day" and "Autumnal Equinox Day" because there are declared by government on February of the year.

Maybe it's possible to determine by moon phase ?