StarWarsDays.rb

require 'yaml'
require 'twitter'

yaml = YAML.load_file('twitter.yaml')

$client = Twitter::REST::Client.new do |config|
  config.consumer_key        = yaml["consumer_key"]
  config.consumer_secret     = yaml["consumer_secret"]
  config.access_token        = yaml["token"]
  config.access_token_secret = yaml["secret"]
end

time = Time.new

month = time.strftime("%B")
day = time.day.to_i
ord_day = if (11..13).include?(day)
    "#{day}th"
  else
    case day % 10
      when 1; "#{day}st"
      when 2; "#{day}nd"
      when 3; "#{day}rd"
      else    "#{day}th"
    end
  end

if month != "May" || day != 4
  tweet = "#{month} the #{ord_day} be with you.."
  $client.update(tweet)
end