gistfile1.rb

require 'rubygems'
require 'hpricot'
require 'net/http'

HOST = "gdata.youtube.com"
SITE = "/feeds/api"

def upload_time(youtubeid)
  request = Net::HTTP::Get.new("#{SITE}/videos?q=#{youtubeid}&safeSearch=none")  
  request.add_field 'GData-Version', '2'
  Net::HTTP.start("#{HOST}", 80) do |http|
    (Hpricot(http.request(request).body)/'entry'/'yt:uploaded').inner_html
  end
end
 
puts upload_time('001XYCqJU-Q')
puts upload_time('001Vzudt-xo')
puts upload_time('0_0_1xD_T2k')