The Queen 's coffin will be taken through Edinburgh's Royal Mile today, with King Charles III leading royals on the procession.
Long-held plans have now been put into place named Operation London Bridge and Operation Unicorn, following the sad passing of Queen Elizabeth II on Thursday.
This timetable will mark her passing and ensure a smooth transition begin the reign of King Charles III by specifying where and how events in her memory take place.
Monday (September 12) will mark 'D-Day plus three' as defined within the schedule, with the coming days until the Queen's funeral to be referred to as D-Day, plus the number of days that have passed since her death.
Today's commemorations will begin at Westminster Hall, where both Houses of Parliament will meet to express their condolences in front of Charles and Camilla, Queen Consort. Charles will give his reply to Parliament.
The King and Queen Consort will then travel to Scotland, arriving at Edinburgh Airport at 12.35pm. They will then head to the British monarch's official residency in the country, the Palace of Holyroodhouse, where the Queen's funeral cortege arrived from Balmoral yesterday.
His Majesty will inspect the Guard of Honour before being welcomed to his “ancient and hereditary kingdom of Scotland” by the Lord Provost, and symbolically receive the keys of the city of Edinburgh.
The Queen's coffin will then begin a procession down the Royal Mile from Holyroodhouse to nearby St Giles’ Cathedral at 2.35pm accompanied by members of her family.
Charles will lead some of the royals on foot, while the Queen Consort and other members of the monarchy will follow in cars.
Her family and a congregation drawn from all areas of Scottish society will attend a service of thanksgiving at the Cathedral, with the Queen expected to be carried in at 2.55pm.
While it is not yet known which royals will attend, speculation suggests there could be another joint appearance from Harry and Meghan alongside the new Prince and Princess of Wales.
After the conclusion of the service, His Majesty will hold audiences with the First Minister Nicola Sturgeon, followed by an audience with Alison Johnstone, the Presiding Officer of the Scottish Parliament.
Words of sympathy will be expressed by the Scottish Parliament when Charles and Camilla attend to receive a motion of condolence, with the King replying.
This will be followed by a salute from the Royal Company of Archers, who are the King’s bodyguard for Scotland..
The King and other members of his family will then mount a vigil at the cathedral in honour of their mother at 7.35pm.
People in Edinburgh will be able to view the coffin at St Giles' cathedral from 5pm on Monday, where it will remain for around 24 hours until it is taken by RAF plane to London.
Weather forecasters say m ourners face a "less than 10% chance" of waiting in the rain to see the Queen's coffin, with the thousands expected to file past to see her coffin are likely to escape any rain.
