From: Brian Adkins <lojicdotcom@...>
Date: 2008-02-28T03:14:55+09:00
Subject: Re: Getting number of days in a month

On Feb 27, 11:17 am, Shandy Nantz <shandyb...@yahoo.com> wrote:
> This is probably an easy question but I am trying to get at the number
> of days that are in a month. I have this calendar that I have built, the
> idea being that when a month turns from February to March, for example,
> the calendar should redisplay itself properly formated showing the new
> month and the correct number of days. I have it so that it starts
> counting the days on the right day of the week, but I have to know when
> to stop counting. Any ideas, Thanks,

require 'date'

def days_in_month year, month
  ((month < 12) ?
    Date.new(year, month + 1) :
    Date.new(year + 1, 1)).-(1).mday
end

puts days_in_month(2008,2)  # => 29