Japan's emperor arrives in London for jubilee state visit Japan's Emperor Akihito, left, and Empress Michiko visit the Kyoto Garden in London's Holland Park on May 17, 2012. (CBS News) Japan's Emperor Akihito and Empress Michiko have arrived in London for a five-day state visit that includes celebrations for Queen Elizabeth II's Diamond Jubilee. The Japanese royals will join other royals from around the world for an afternoon luncheon at Windsor Castle on Friday to mark the queen's 60-year reign, according to the Telegraph, followed by an evening banquet at Buckingham Palace hosted by Prince Charles. Complete Coverage: Queen Elizabeth II's Diamond Jubilee Pictures: Emperor Akihito This is the first overseas trip in three years for the 78-year-old emperor, who underwent cardiac bypass surgery in February. On Thursday, the Japanese monarch and his wife were photographed on a visit to the Kyoto Garden in London's Holland Park. The garden was donated to the park by the Chamber of Commerce of Kyoto in 1991. Akihito's visit will also reportedly include meetings with Japanese citizens living in the U.K. and meetings with British citizens who sent aid to victims of the earthquake and tsunami that hit Japan last year.