From: Jan Friedrich <janfri.rubyforge@...>
Date: 2008-10-28T21:29:27+09:00
Subject: Re: Days in a year

Brian Candler <b.candler@pobox.com> wrote:
> So all you need is:
> 
> irb(main):001:0> require 'date'
> => true
> irb(main):002:0> Date.gregorian_leap?(2008) ? 366 : 365 => 366
> irb(main):003:0> Date.gregorian_leap?(2009) ? 366 : 365 => 365

Or ask the day of year of December 31st:

require 'date'

DateTime.new(2008, 12, 31).yday # => 366

DateTime.new(2009, 12, 31).yday # => 365

Best regards,
Jan Friedrich