Get the list of sundays in a month
require 'date' class Date def self.last_day_of_the_month yyyy, mm d = new yyyy, mm d += 42 # warp into the next month new(d.year, d.month) - 1 # back off one day from first of that month end def self.print_sundays(d1, d2) d1 +=1 while (d1.wday != 0) d1.step(d2, 7) do |date| puts "#{Date::MONTHNAMES[date.mon]} #{date.day}" end end end date = Date.today month = date.strftime("%m").to_i year = date.strftime("%Y").to_i last_date = Date.last_day_of_the_month(year, month) l_date = last_date.strftime("%d").to_i Date.print_sundays(Date::civil(year, month, 1), Date::civil(year, month, l_date))