date/holiday - determination of secular and religious holidays

Date

Class Methods

gregorian_easter(year[, start])
easter(year[, start])
Returns a date object denoting the Easter sunday in the given Gregorian year.
julian_easter(year[, start])
Returns a date object denoting the Easter sunday in the given Julian year.

Methods

easter?
Returns true if the day is an Easter sunday.
national_holiday?
Returns true if the day is a Japanese national holiday.
old_national_holiday?
Returns true if the day is an old Japanese national holiday. This is still experimental.