# File lib/maruku/output/to_html.rb, line 245
  def day_suffix(day)
    s = {
      1 => 'st',
      2 => 'nd',
      3 => 'rd',
      21 => 'st',
      22 => 'nd',
      23 => 'rd',
      31 => 'st'
    }
    s[day] || 'th';
  end