Let's say I create two time objects from my user model:
created = u.created_at
updated = u.updated_at
How do I calculate the difference in terms of hours between the two time objects?
hours = created - updated
I'd like to wrap this in a method and extend the Time class. I find it hard to believe I'd need to extend it, but I can't seem to find a native method that handles calculating elapsed time using different time units.