module DaysOfMarch

# File lib/days_of_march.rb, line 4
def self.days_since_march_first
      march_first = Date.new(2020, 3, 1)
      (Date.today - march_first).to_i
end

# File lib/days_of_march.rb, line 9
def self.ordinal_indicator(number)
  right_digit = number % 10
  case right_digit
  when 1
    'st'
  when 2
    'nd'
  when 3
    'rd'
  else
    'th'
  end    
end

# File lib/days_of_march.rb, line 23
def self.today
  "Today is the #{days_since_march_first}#{ordinal_indicator(days_since_march_first)} day of March."
end