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

My suggestion:

def age(birthday)
    ((Time.now - birthday.to_time)/(60*60*24*365)).floor
end

The trick is that the minus operation with Time returns seconds