SURPRISE: There is no right length, wrong lenght, heck maybe there is no time at all between the question and the ceremony. You and your partner are unique, and so is your relationship. First piece of wedding planning advice: stop comparing yourselves to others! This time is about you and the love of your life.
Many people who are recently engaged start looking immediately for tips on next steps. Really, the first thing to do is enjoy it. Bask in the moment. Relive the question. Be thankful and appreciative for your fiance and take this time to enjoy each other. More importantly, get used to saying fiance. It has a nice roll off of the tongue.
How long were you engaged before you tied the knot?