The plans have been honed over years, a strict timetable of procedure for what will be the biggest state funeral and security operation ever held in the UK.
The Queen s coffin entered Westminster Hall as the choir of Westminster Abbey and the choir of His Majesty s Chapel Royal, St James s Palace, sang Psalm 139.
At 2.22pm Her Majesty was carried down The Mall on a gun carriage - a tradition dating back to the death of her great-grandmother Queen Victoria in 1901.