29 April 2011 at 15:30 Sri Lanka Time
Between 0815 and 0945: The vast majority of the 1,900 guests will arrive at the Great North Door of Westminster Abbey ahead of the 11am service. Order of Service in full
From 0950: Governors-general and prime ministers of realm countries, the Diplomatic Corps, and other distinguished guests arrive at the Abbey.
1010: Prince William and his best man Prince Harry leave Clarence House in a Bentley for Westminster Abbey, arriving five minutes later. The route between Buckingham Palace and the Abbey goes by The Mall, Horse Guards Road, Horse Guards Parade, through Horse Guards Arch, Whitehall, Parliament Square (the south side) and Broad Sanctuary.
1020: Members of foreign royal families arrive at the Abbey from Buckingham Palace.
1020: Kate Middleton's mother Carole Middleton and brother James Middleton leave the Goring Hotel for the Abbey. They arrive at the Abbey at 1027. Gallery: who's who in the Middletons
1025: Members of the Royal Family (except those listed below) leave Buckingham Palace for the Abbey, arriving at 1030. Gallery: who's who in the House of Windsor
1035: The following members of the Royal Family leave Buckingham Palace for the Abbey, arriving at 1040: The Duke of York, Princess Beatrice, Princess Eugenie, The Earl and Countess of Wessex, The Princess Royal and Vice Admiral Timothy Laurence.
1038: The Prince of Wales and Duchess of Cornwall leave Clarence House, arriving at the Abbey at 1042.
1040: The Queen and the Duke of Edinburgh leave Buckingham Palace, arriving at the Abbey at 1045.
1048: The bridesmaids and pages leave the Goring Hotel, arriving at the Abbey at 1055. Gallery: the bridesmaids and pageboys in pictures
1051: The bride and her father Michael Middleton leave the Goring Hotel for Westminster Abbey in a Rolls Royce
1100: The marriage service begins and is relayed by speakers along the route. There will also be big screens in Hyde Park and Trafalgar Square. Royal wedding parties and events
1215: The carriage procession of the bride and groom with a Captain's Escort of the Household Cavalry, followed by the Queen's procession with a Sovereign's Escort of the Household Cavalry, leaves the Abbey for Buckingham Palace. The bride and groom will be in the 1902 State Landau, or the Glass Coach if it is raining.
1230: The bride's carriage procession arrives at Buckingham Palace.
1240: Members of the Royal Family and members of foreign royal families arrive at Buckingham Palace.
From 1240: Other guests for the reception arrive at Buckingham Palace.
1325: The Queen and the bride and groom, together with their families, appear on the balcony.
1330: Fly-past by the Royal Air Force and Battle of Britain Memorial Flight.
The Queen will give a lunchtime reception at Buckingham Palace, which will be a private gathering for guests drawn from the congregation who will represent the couple’s official and private lives. During the reception, the couple will appear on the Buckingham Palace balcony with other members of the Royal family. The Reception is expected to finish mid-afternoon and guests will be served with canapés.
At some point in the afternoon, the bride and groom will leave Buckingham Palace for some downtime at St James's Palace.
In the evening, the Prince of Wales will give a private dinner, followed by dancing, at Buckingham Palace for the couple and their close friends and family.