Multiple outlets report that King Charles and Queen Camilla are scheduled to attend the Epsom Derby at Epsom Downs on June 6. That same date also marks the wedding of Peter Phillips, the King’s son, to his fiancée Harriet Sperling. The reports state that Phillips is set to marry Sperling, described as an NHS nurse, on June 6. One outlet characterizes the situation as a “double booking,” noting the overlap between the royal attendance at the Derby and Phillips’ wedding plans. Across the sources provided, there is agreement on the key dates and roles: the King and Queen attend Derby Day at Epsom Downs on June 6, while Phillips and Sperling plan to marry on that day as well. The combined information does not add details beyond these scheduled events, including no further discussion of how the overlap is managed.