The new Japanese Era, Reiwa (令和時代), will start this May 1, 2019.
With the Abdication Ceremony happening on April 30, the new Emperor Naruhito will start his reign the next day with the ceremony for Inheriting the Imperial Regalia and Seals (Kenji-to-Shokei-no-gi) where he inherits the Imperial Regalia, the State Seal and the Privy Seal upon his accession to the throne.
Following this is the First Audience after the Accession to the Throne (Sokui-go-Choken-no-gi), in which the new Emperor Naruhito meets with the representatives of the people of Japan.
The actual Enthronement Ceremony is now scheduled to happen on October 22, 2019. The new Emperor Naruhito will proclaim his enthronement at the Enthronement Ceremony at the Seiden State Hall (Sokuirei-Seiden-no-gi) and receive felicitations from representatives from both Japan and abroad.
Events related to the Abdication from the throne
- April 30, 2019
- Abdication Ceremony
- Ceremony to announce the abdication to the people and for the Emperor to receive in audience the representatives of the people for the last time before the abdication.
- Abdication Ceremony
EventS related to the Accession to the Throne
- May 1, 2019
- Ceremony for Inheriting the Imperial Regalia and Seals
- Ceremony for the Emperor to inherit the Imperial Regalia (Sword and Jewel), which are treasures inherited together with the throne, as well as the State and Privy Seals, as proof of his accession to the throne.
- First Audience after the Accession to the Throne
- Ceremony for the Emperor to receive in audience the representatives of the people for the first time after the accession to the throne.
- Ceremony for Inheriting the Imperial Regalia and Seals
- October 22, 2019
- Enthronement Ceremony
- Ceremony to proclaim the enthronement and to receive felicitations from representatives from home and abroad.
- Imperial Procession after the Enthronement Ceremony
- Procession to show the new Emperor to the people after the Enthronement Ceremony and to receive their good wishes.
- Enthronement Ceremony
Source: https://www.gov-online.go.jp/eng/publicity/book/hlj/html/201904/201904_06_en.html