On the day after taking office , the Lord Mayor 's Show is held . The Lord Mayor is elected each year at Michaelmas ` Common Hall ' , and takes office on the Friday before the second Saturday in November , at ` The Silent Ceremony ' . On the day after taking office , the Lord Mayor 's Show is held ; the Lord Mayor , preceded by a procession , travels to the Royal Courts of Justice on the Strand , Westminster to swear allegiance to the Sovereign in the presence of the judges of the High Court .