8:30 am: Guests will start arriving at Westminster Abbey.
10:30 am: Carole Middleton, Kate’s mother, enters Abbey through Great West Door. ...
10:40 am – 10:50 am: Royal family will begin arriving, entering through Great West Door. William accompanied by his best man, Prince Harry. The Queen and her husband, Prince Philip, will be the last to arrive.
11:00 am: Kate, her father, Michael Middleton, and five bridesmaids arrive at Great West Door.
11:00 am: Simultaneous with arrival, Buckingham Palace discloses wedding gown, designer, sketches and photos. Palace will also release, if it has not done so earlier in morning, title bestowed by Queen on the couple.
11:05 am – 12:05 pm (approx.): Service conducted by the Very Rev. John Hall, Dean of Westminster. Wedding vows presided over by Rowan Williams, the Archbishop of Canterbury. Sermon delivered by the Right Rev. Richard Chartres.
12:40 pm: After ride down The Mall in 1902 State Landau horse-drawn carriage, newlyweds arrive at Buckingham Palace. Other wedding party members follow.
12:40 pm (approx.) – 1:25 pm: Official wedding portraits will taken.
1:25 pm: Newlyweds appear on Buckingham Palace balcony. Wave to adoring crowds.
1:30 pm: Royal Air Force fly-over of jet and propeller planes.
1:32 pm – 1:40 pm: Widely expected newlywed kiss. Kate and William’s last scheduled public appearance of the day.