advent calendar : Date Calculation « Date « Ruby






  1. Ruby
  2. Date
  3. Date Calculation

advent calendar


require 'date'
def advent_calendar(date=DateTime.now)
  christmas = DateTime.new(date.year, 12, 25)
  christmas = DateTime.new(date.year+1, 12, 25) if date > christmas
  difference = (christmas-date).to_i
  if difference == 0
    puts "Today is Christmas."
  else
    puts "Only #{difference} day#{"s" unless difference==1} until Christmas."
  end
end

advent_calendar(DateTime.new(2006, 12, 24))








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