MAY 19, 2018 - Times in eastern standard time
4:00 AM 1,200 charity workers, local school children, employees of the Queen and other special attendees will arrive inside the grounds of Windsor Castle.
4:30 AM Buses carrying the 600 lucky guests will begin arriving.
6:20 AM Royal family members will begin to arrive at St. George’s Chapel. Meghan Markle and her mother, Doria Ragland, will depart the bride's overnight location around this time. Their journey to the castle will involve a car ride down Windsor Castle’s Long Walk entryway where the public will be gathered. The car will stop at the chapel to allow Ragland to enter while Markle joins her bridesmaids to continue to St. George’s West Steps. There she will wait to walk down the aisle with Prince Charles.
Prince Harry and Prince William will enter on foot to greet well-wishers gathered within the Windsor Castle grounds.
7:00 AM The service will begin at St. George's Chapel, lasting about an hour. Archbishop of Canterbury Justin Welby will officiate the wedding.
8:00 AM The service will conclude and Harry and Meghan will exit the church together, entering their Ascot Landau carriage for a 25-minute procession before entering the reception hosted by Queen Elizabeth II at St. George's Hall in the castle.
POST-CEREMONY: The newlyweds will depart Windsor Castle following the afternoon luncheon for a private sit-down dinner for 200 hosted by Prince Charles. The evening's reception will be held at the Frogmore House, a 17th-century manor on the castle estate where the royal couple posed for some of their engagement photos.