From: William James <w_a_x_man@...>
Date: 2007-09-27T00:25:06+09:00
Subject: Re: Finding the last Sunday of a month

On Sep 26, 8:44 am, Peter Bailey <pbai...@bna.com> wrote:
> Hello,
> I need to find the date for the last Sunday in January, for any year. I
> need this for a budgetary script I'm trying to write. Using the
> Date/Time module, I've done this so far.
>
> require 'date'
> now = DateTime.now
> year = now.year
> d = Date.new(now.year, 1, 31)
> puts d.wday
>
> yields: 3

Just for fun:

y=`cal`[/\d+/]
d = `cal 1 #{y}`.scan(/^.{20}$/)[-1].
  split[-1].to_i