How to evaluate a date difference in years, months and days (ruby)?

Question

I have to make a simple difference between two dates:

Date.parse(\"2009-06-20\") - Date.today

This gives me the difference of the dates in

Answer 1

There is a RubyGem which returns Time difference in a hash like {:year => 0, :month => 0,...}

The link is : https://rubygems.org/gems/time_diff