What happens next? A guide to the next 11 days as Britain mourns

A file photo taken on Oct 12, 2018 of the late Queen Elizabeth II. The government will confirm the length of national mourning, which is likely to be around 12 to 13 days, from now until the day after the queen's funeral. Photo: Alastair Grant/POOL/AFP

Thursday (Sept 8) would traditionally have been D-Day or D+0 in the plans for the aftermath of the Queen's death, codenamed London Bridge.

But as the announcement came late in the day – at 6.31pm on Thursday Sept 8 – plans have been shifted a day to allow the complex arrangements to be put in place, meaning D+0 will be considered Friday (Sept 9).The following is expected to take place on Friday, but concrete plans are yet to be confirmed by Buckingham Palace.