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What to expect as Britain mourns the queen.

The Queen’s funeral has been set for September 19, but Britain is spending this week commemorating and mourning the country’s longest-reigning monarch. On Monday, the Queen’s casket was driven over the Royal Mile, a major route through Edinburgh’s Old Town, to St Giles Cathedral for a prayer service and wake. The Queen will lie at rest in the cathedral at night.

Here’s what to expect in the coming days.

The Queen’s casket is taken to a Royal Air Force jet, which will transport it to Northolt Air Base west of London. It will be loaded into a state hearse and driven to Buckingham Palace, where it will arrive around 8pm, where it will be placed on a trestle in the ballroom.

At 2:22 p.m., the Queen’s coffin, adorned with the Imperial State Crown and a garland of flowers, is carried in a silent procession from Buckingham Palace, through the Mall and along the Horse Guards Parade, en route to Westminster Hall at the Palace of Westminster.

After a blessing by the Archbishop of Canterbury, Justin Welby, the Queen lies in state for four days in Westminster Hall.

The Queen’s casket will again be moved to nearby Westminster Abbey, where the funeral will take place at 11 a.m. Presidents, princes and prime ministers from all over the world will attend.