Her Majesty's State Funeral will take place at Westminster Abbey on Monday 19 September at 11:00, it has been confirmed.
Here's everything you need to know about what will be happening nationally and in Jersey during the period of mourning and on the day.
The Bailiff, Sir Timothy Le Cocq, will be attending in his capacity as Acting Lieutenant-Governor.
The Lieutenant-Governor - who is appointed by the Monarch on a five-year term - is responsible for representing the Crown in Jersey, acting as adviser, and hosting Royal and ambassadorial visits to the island.
As naval officer Vice Admiral Jeremy Kyd CBE will not be taking up the role until October 2022, the Bailiff is currently Acting in the role, and as such will attend the Queen's State Funeral in this capacity.
Members of the States of Jersey Police and Bailiwick Law Enforcement (Guernsey) have also travelled to London to support the Metropolitan Police with the service and other related policing engagements in advance.
States Members have approved a bank holiday on Monday 19 September to enable islanders to watch the State Funeral.
Schools and many businesses - including some retailers - will close.
Other types of businesses that decide to remain open have been asked by the Bailiff to "operate with respect for the occasion, for the duration of the State funeral when it begins at 11:00."
Non-urgent surgeries and routine outpatients appointments have been postponed.
Flights at Jersey Airport will be operating as normal, and screens will be erected in the Terminal so that islanders can watch the service. While the funeral takes place, freight operations and commercial harbour activity will also be paused, Ports of Jersey has confirmed.
The Parish of St. Helier has changed the days of its bin collections to accommodate the bank holiday.
Jersey Bulls have confirmed their home fixture that was due to take place this weekend has been postponed as a mark of respect.
As well as on national TV and streaming services, there are a number of other ways islanders will be able to follow the State Funeral.
Screens will be set up at Parish Halls around the island.
The Bailiff's Office has also urged hospitality venues to remain open so that islanders can "watch the funeral in the comfort of licensed establishments."
The Queen will lie in state in Westminster for four days in advance of the State funeral to allow members of the public to pay their respects.
Sunday 11 September: Following Her Majesty's death, her coffin lay in the Ballroom at Balmoral Castle before travelling to Edinburgh on Sunday, by road, arriving at the Palace of Holyroodhouse, where was laid in the Throne Room until Monday afternoon.
Monday 12 September: On Monday afternoon, a Procession was formed on the forecourt of the Palace of Holyroodhouse to convey the Coffin to St. Giles' Cathedral in Edinburgh, with members of the Royal family taking part in the procession and a subsequent service.
Tuesday 13 September: Guarded by vigils, Her Majesty's Coffin will lie at rest in St. Giles' Cathedral until Tuesday afternoon. The Queen's Coffin will then travel from Edinburgh by RAF aircraft from Edinburgh to RAF Northolt later that evening. Princess Anne will accompany on the journey. The Queen's Coffin will travel to Buckingham Palace by road, to rest in the Bow Room.
Wednesday 14 September: On Wednesday afternoon, the Coffin will travel on a Gun Carriage of The King's Troop Royal Horse Artillery from Buckingham Palace to the Palace of Westminster. The Archbishop of Canterbury will conduct a short service attended by members of the Royal family. The Queen will then lie in state in Westminster Hall until the morning of the State Funeral, and members of the public will have the opportunity to visit and pay their respects.
Friday 16 September: In Jersey, this will be the last day to sign books of condolence at the Royal Court building and at Parish Halls.
Saturday 17 September: In Jersey, a service of thanksgiving for the life of Her Majesty will be held at the Town Church on Saturday morning at 10:00. Jersey politicians will later that evening visit the lying-in-state of the Queen at Westminster Hall in London.
Sunday 18 September: This will be the final day of free entry to Mont Orgueil Castle in Jersey to view the holographic portrait of the Queen, Equanimity. A one-minute silence will be taking place nationally at 20:00. The Bailiff's Chamber is encouraging islanders to join in and "use it as a moment to mourn and reflect on the life and legacy of Her Late Majesty Queen Elizabeth II."
Monday 19 September: On the morning of Monday 19 September, the Queen's Coffin will be taken in Procession from the Palace of Westminster to Westminster Abbey, where the State Funeral Service will take place.
Afterwards, it will travel in Procession from Westminster Abbey to Wellington Arch. From Wellington Arch, it will travel to Windsor. From there, the State Hearse will travel in Procession to St. George's Chapel, Windsor Castle via the Long Walk. A private Committal Service involving the Royal family will then take place in St. George's Chapel.
Tuesday 20 September: Flags stop flying at half-mast from 08:00.
The Queen's Coffin will be carried from Westminster Hall to the State Gun Carriage, which will take it to Westminster Abbey, arriving just before 11:00.
Following the State Funeral, which is due to finish at around midday, the Queen's coffin will be placed on the State Gun Carriage again and be taken from Westminster Abbey to Wellington Arch. This procession is due to start at 12:15.
At Wellington Arch, the Queen's coffin will be transferred from the State Gun Carriage to the State Hearse just after 13:00, ahead of the final journey to Windsor.
The State Hearse will take Her Majesty's coffin from central London to Windsor. When it arrives in Windsor, the Hearse will join a procession due to begin just after 15:00 going to St George's Chapel, Windsor Castle
Just before 16:00, this procession will halt at the bottom of the West Steps of St George's Chapel in Horseshoe Cloister. Here, the bearer party will carry the coffin in procession up the steps into the chapel.
Her Majesty, Queen Elizabeth II will be interred during a private burial at King George VI Memorial Chapel in St George's Chapel at Windsor Castle at 19:30.
She will be buried alongside her "strength and stay", the Duke of Edinburgh.
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Photograph of Queen Elizabeth II and the Duke of Edinburgh on a visit to Jersey courtesy of Jersey Heritage.
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