King Charles III has been formally declared as the new monarch following the death of his mother, the Queen, on Thursday at the age of 96.
Her funeral will take place at Westminster Abbey on Monday, September 19 at 11am, it has been confirmed.
Before that, The Queen will lie in state for “four clear days” in Westminster Hall, arriving there on Wednesday September 14 until 6.30am on the morning of her funeral.
Read more: The Queen's funeral date officially confirmed and declared as a Bank Holiday
Here is a day-by-day account of what will happen next, leading up to and including the Queen's funeral.
Sunday, September 11
At 10am the Queen's coffin will embark on a six-hour journey by road from Balmoral Castle via Aberdeen to the Palace of Holyroodhouse in Edinburgh, arriving at 4pm.
That morning the King will meet the Commonwealth Secretary General at Buckingham Palace and then host a reception for Realm High Commissioners.
This will be attended by Foreign Secretary James Cleverly.
Monday, September 12
The King and Camilla, the new Queen, will travel to Westminster Hall where both Houses of Parliament will meet to express their condolences at the death of the late Queen.
They will then fly to Scotland, arriving at Edinburgh Airport at 12.45pm before travelling to the Palace of Holyroodhouse.
The Queen's coffin will be taken from the Palace of Holyroodhouse at 2.35pm in procession to St Giles' Cathedral, where it will be carried inside at 2.55pm.
The King and Queen, with members of the Royal Family, will follow the procession on foot before attending a service of reflection for the life of the Queen in the cathedral at 3pm.
The Prime Minister will also attend the service.
Afterwards the King will return to Holyrood to hold an audience with the First Minister of Scotland, followed by an audience with the Presiding Officer of the Scottish Parliament.
At 5.40pm the King and Queen will attend the Scottish Parliament to receive a Motion of Condolence.
Joined by other members of the Royal Family, they will mount a vigil at 7.20pm at St Giles' Cathedral and stay in Edinburgh overnight.
Tuesday, September 13
The King and Queen will fly to Belfast and travel to Hillsborough Castle, to view an exhibition on the late Queen's long association with Northern Ireland. The King will meet with the Secretary of State for Northern Ireland and party leaders.
At 1.20pm, he will receive a message of condolence led by the Speaker of the Northern Ireland Assembly.
After a short reception at Hillsborough, the King and Queen will travel to St Anne's Cathedral for a service of reflection, where they will be joined by the Prime Minister.
Before the service, the King will meet leaders from all the major faiths in Northern Ireland.
The King and Queen will then leave Belfast for London.
At 5pm, the Queen's coffin will travel by road from St Giles' Cathedral in Scotland to Edinburgh Airport, where it will be flown to London, departing at 6pm.
After arriving at RAF Northolt at 6.55pm, the coffin will be driven to Buckingham Palace.
Its arrival at 8pm will be witnessed by the King and Queen, with other members of the Royal Family.
Wednesday, September 14
The King and Queen, with other members of the Royal Family, will lead a procession behind the late Queen's coffin.
It will leave Buckingham Palace, carried on a gun carriage to the Palace of Westminster, at 2.22pm and arrive at Westminster Hall at 3pm.
After a short service the Queen's lying in state will begin, lasting for four days and ending on the morning of the state funeral.
The King and Queen will return to Buckingham Palace.
Thursday, September 15
Lying in state continues.
Friday, September 16
Lying in state continues.
The King and Queen will visit Wales and the Prime Minister will join them in a service of reflection.
Saturday, September 17 - Sunday, September 18
Lying in state continues.
Monday, September 19
Lying in state ends at 6.30am.
At 10.44am the Queen's coffin will be taken in procession from the Palace of Westminster to Westminster Abbey in central London, where her state funeral will take place at 11am.
The day has been declared a public holiday in the form of a Day of National Mourning.
After the service, the coffin will be taken in procession from Westminster Abbey to Wellington Arch.
From Wellington Arch, the coffin will travel to Windsor.
Once there, the hearse will travel in procession to St George's Chapel at Windsor Castle via the Long Walk, after which, a Committal Service will take place in St George's Chapel.
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