Get person's age in Ruby

Question

I\'d like to get a person\'s age from its birthday. now - birthday / 365 doesn\'t work, because some years have 366 days. I came up with the following code:

Answer 1

Time.now.year - self.birthdate.year - (birthdate.to_date.change(:year => Time.now.year) > Time.now.to_date ? 1 : 0)