Emperor Akihito’s abdication on Tuesday, one of several ceremonies marking the transition to his heir, Crown Prince Naruhito, will be a brief, relatively simple and rare event.
The last abdication by a Japanese monarch was in 1817.
Crown Prince Naruhito will become Emperor on Wednesday, but his formal enthronement will take place at a more elaborate ceremony in October, to which foreign dignitaries will be invited.
April 30 — abdication ceremony (5 p.m.-5:10 p.m.): The ceremony will take place in the Imperial Palace’s Pine Chamber, known for its polished wood floor and considered the palace’s most prestigious room. About 300 people will attend the event, broadcast live on national television.
Imperial chamberlains will carry the state and privy seals into the room along with two of Japan’s three sacred treasures — a sword and a jewel — which together with a mirror are symbols of the throne. They are said to originate in ancient mythology.
The sword, representing one kept at a shrine in Mie Prefecture, and the jewel are enclosed in cases. The mirror is kept at the Grand Shrines of Ise, the holiest Shinto site in Japan, and its authentic replica is at the Imperial Palace in Tokyo.
Prime Minister Shinzo Abe will announce the abdication followed by Emperor Akihito’s final remarks as emperor. Empress Michiko, Crown Prince Naruhito and Crown Princess Masako will attend along with the leaders of both houses of the Diet and the Supreme Court justices.
May 1 — regalia inheritance (10:30-10:40 a.m.): This is the first stage of Crown Prince Naruhito’s accession to the throne. Chamberlains will put the seals, sword and jewel on desks in front of the new Emperor as proof of his rightful succession.
The ceremony is observed by a small group that includes adult male royalty and representatives of the three branches of the government, including Abe and his Cabinet. Emperor Emeritus Akihito and Empress Emerita Michiko will not be present.
The ceremony is not open to female Imperial family members, but Satsuki Katayama, the only female minister in Abe’s Cabinet, will be the first woman in modern history to attend.
Naruhito will wear a Western tailcoat. Akihito wore a Western morning coat when he became emperor in January 1989.
May 1 — Emperor’s first remarks (11:10-11:20 a.m.): Shortly afterward, Emperor Naruhito will make his first public remarks as emperor in the Pine Chamber — comments that might offer hints about his goals or hopes for his reign.
In 1989, Emperor Akihito pledged to protect the Constitution and fulfill his duties. He also expressed his hopes for national prosperity, global peace and the well-being of humanity.
Abe will speak as the representative of the Japanese people.
New Empress Masako and other members of the Imperial family will be present, along with representatives from the three branches of the government and their spouses.
May 4 — Emperor, Empress greet well-wishers at palace: Emperor Naruhito and Empress Masako will make their first public appearance, greeting well-wishers gathered at the Imperial Palace. They will appear six times during the day from 10 a.m.
A large turnout is expected partly because the public event will take place during a 10-day holiday. More than 100,000 people flocked to see Emperor Akihito and Empress Michiko in 1990.
Oct. 22 — Sokuirei Seiden no Gi (enthronement ceremony): Emperor Naruhito will proclaim his enthronement in a ceremony attended by dignitaries from nearly 200 countries.
Like his father, the new Emperor is expected to wear a traditional robe and headdress.
He will step into the pavilioned Takamikura throne and briefly sit on a cushioned chair with a seat made from tatami straw.
The Emperor will then stand as the pavilion curtains are drawn open and declare his succession to the world.
Britain’s Prince Charles and Princess Diana and U.S. Vice President Dan Quayle were among the 2,200 people who attended the ceremony for Emperor Akihito in 1990.
The Imperial Couple will ride in an open-top limousine through central Tokyo. Some 120,000 people, many waving national flags, lined the route in 1990 to cheer Emperor Akihito and Empress Michiko as they passed by a Rolls-Royce Corniche III.
Nov. 14-15 — Daijokyu no Gi (great thanksgiving ceremony): The Emperor will offer newly harvested rice and sake to Imperial ancestors and deities, and partake of them himself as he prays for bumper crops and national peace.
The government has earmarked ¥2.7 billion ($24 million) for the ceremony, including costs to build temporary halls at the Imperial Palace for the occasion, although there has been controversy over the constitutionality of the state funding an event that involves strong religious elements.
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