10am - Heads of State, the Royal Representatives of Heads of State and the Diplomatic Corps are received by a member of Chapter at the South Door of St. Paul's Cathedral and taken to their seats.
10:10am - Visiting Representatives of World Faiths leave the Dean’s Aisle and make their way to their seats in the Quire.
10:15am - Lord Speaker, Mr Speaker and the Prime Minister are received at the North Door of the Cathedral by a member of Chapter and then move to their seats under the Dome.
10:25am - The Chapter, the Bishop of London and the Archbishop of Canterbury leave the Dean’s Aisle and proceed to the Great West Door of the Cathedral.
10:35am - The Lord Mayor and Sheriffs arrive and are received by the Chapter, the Bishop of London and the Archbishop of Canterbury. The Sheriffs then sit in the Quire.
10:40am - Members of the family arrive at the Cathedral and are received by the Chapter, the Bishop of London and the Archbishop of Canterbury and taken to their seats under the Dome.
10:45am - The Foundation Procession leaves the Dean’s Aisle.
10:45am - The Queen and the Duke of Edinburgh arrive at the Cathedral and are received at the foot of the West Steps by the Lord Mayor, who accompanies them to the Great West Door, where they are received by the Chapter, the Bishop of London and the Archbishop of Canterbury. Her Majesty is preceded by the Lord Mayor bearing the Mourning Sword.
The Queen and Prince Philip then make their way to their seats under the Dome.
11am - The clock of St Paul's Cathedral strikes the hour. The coffin is carried into the Cathedral and placed upon the Bier under the Dome.
Michael Thatcher and Amanda Thatcher - Lady Thatcher's grandchildren - carry cushions bearing the Insignia of the Order of the Garter and the Order of Merit, which are laid on the Dome Altar.
As the Procession of the Coffin moves through the Nave, the Choir will sing before the Dean of St Paul's, the Very Rev David Ison, addresses the congregation with the Bidding.
A selection of hymns of readings will then be given - chosen by Lady Thatcher.
Baroness Thatcher's granddaughter Amanda and Prime Minister David Cameron will give readings at the service.