Doing DateTime Arithmetic : Date Calculation « Date « Ruby






  1. Ruby
  2. Date
  3. Date Calculation

Doing DateTime Arithmetic


require 'date'

puts y2k_dt = DateTime.new(2000, 1, 1)
puts (y2k_dt + 1).to_s                  # => "2000-01-02T00:00:00Z"
puts (y2k_dt - 1).to_s                  # => "1999-12-31T00:00:00Z"
puts (y2k_dt + 0.5).to_s                # => "2000-01-01T12:00:00Z"
puts (y2k_dt + 365).to_s                # => "2000-12-31T00:00:00Z"








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