They say there is a time and place for everything, right? Well, the same is true for wedding ceremony seating. Here is what you need to know to rock the who, what, where and when of seating: Timeline: 30 minutes prior to invitation start time~ Guests, friends, and immediate family members are seated. This includes siblings not in the wedding party, as well as aunts, uncles and so forth. 10 minutes prior to the ceremony~ The groom's grandparents and great grandparents are seat