The death of the Queen yesterday marked a day of many changes within the United Kingdom and the world as a whole.
While there have been plans for after Her Majesty's death for some time under Operation London Bridge, many other things will have to rapidly change following her peaceful passing at Balmoral, Aberdeenshire.
Millions are expected to visit London as Queen's body will lie in state. King Charles III - her eldest son and heir to the throne - has declared seventeen days of mourning.
The mourning period will continue for seven days after the funeral takes place, which is likely to be on Monday, September 19 - bringing the total up to 17 days.
Although the Royal Mourning is mainly observed by members of the royal family, royal household staff and representatives of the royal household on official duties, it could affect other events and services here in the UK.
The Mirror has taken a look at what we can expect to see between now and the Queen's funeral, and some of the things we may not be able to do or attend.
A period of mourning
It was announced earlier this morning that King Charles III has declared 17 days of mourning.
The funeral date has not yet been confirmed by Buckingham Palace, but it's expected to take place 10 days after the Queen's death. The mourning period will continue for the Royal Family for seven more days after the funeral, bringing it to 17 days in total.
School closures
The Department for Education has said schools and colleges should remain open as normal during the mourning period.
In a message to headteachers, officials said there will be further information after details of the funeral are confirmed by Buckingham Palace.
The DfE said: "Schools and further education settings should remain open. While normal attendance is expected, headteachers continue to have the power to authorise leaves of absence for pupils in exceptional circumstances.”
They added that schools may want to mark by the occasion by "conducting special activities, holding assemblies or adapting planned lessons."
Cancelled events
In light of the Queen's passing, a number of UK sporting events have been cancelled.
All football fixtures in England and Scotland have been postponed this weekend following the death of Her Majesty.
The European Tour also confirmed there would be no play on Friday.
Guidance about event cancellations is expected to come from the Cabinet Office later today - but ultimately it will be down to the organisers themselves what they wish to do.
Store closures
The Queen's funeral day will be marked as a Day of National Mourning. There will also be a bank holiday if it falls on a weekday.
However, employers do not have to give their staff the day off to attend the church or other memorials across the UK.
The funeral service, like most others, will take place at Westminster Abbey and a nationwide two-minute silence at noon will be observed all over the country.
It's unknown which shops will be closed yet, but it's been announced that the London Stock Exchange will be closed for the day of the Queen's funeral.
It's also expected to see flags being hung at half-mast, while the country remains in mourning.
Stores are also unlikely to promote major sales so prominently, and the music played in-store is likely to follow the plans for radio stations to broadcast more sombre tunes.
"Make sure music in stores is appropriate and ensure that things are consistent with the national mood," reads one piece of guidance.
Government information
Most announcements, press releases and governmental visits are set to be halted, and important information will be communicated by the government website instead.
Civil servants will be asked to wear appropriate mourning clothes.
Websites and advertising
Corporate websites are prominently displaying messages of condolences, and social media accounts are paying their tributes to Her Majesty.
TV schedules
If you'd planned to tune in to watch your favourite comedy programme this weekend, it's best to double check the schedule, with many shows not airing.
Major channels will devote several hours to the ongoings in London, while radio stations are set to play sombre music to mark the occasion.
According to a report in the Guardian detailing the intricate plans, it may have been the first sign for people in traffic that something was wrong - as DJ's changed to sombre tunes ahead of the announcement.
In the report, it notes that every station will have prepared music lists for the period of mourning - meaning you may notice a change from the usual tunes.
According to the Sunday World, the BBC will be required to removed all of its comedy programmes during the mourning period, and male presenters will wear black ties.
Strikes - including trains and Royal Mail
Many workers set to strike have halted their plans, including Friday's industrial action by Royal Mail workers. Members of the Communication Workers Union were set to walk out for 48 hours.
General secretary Dave Ward said last night: "Following the very sad news of the passing of the Queen and out of respect for her service to the country and her family, the union has decided to call off tomorrow’s planned strike action."
There are also now huge plans underway to accommodate for the millions of people expected to flock to London on public transport.
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