This find day of year by number

main.rb

start_of_year = Time.new(2016, 1, 1)
# p start_of_year

# p start_of_year - 180 # second 
# p start_of_year - (60 * 60 * 24)

def find_day_of_year_by_number(number)
  current_date = Time.new(2016, 1, 1)
  one_day = 60 * 60 * 24
  
  until current_date.yday == number
    current_date += one_day
  end
  current_date
end

p find_day_of_year_by_number(150)
p find_day_of_year_by_number(1)
p find_day_of_year_by_number(150)
p find_day_of_year_by_number(150)