Reki Yoko Reiwa 3 (2021)
February 3rd, 2020, announced by NAOJ
Sunrise and Sunset in Tokyo Reiwa 3 (2021)
Sunrise and Sunset in Tokyo (1)
| Date | JCST |
| Sunrise | Sunset |
| January 1st | 6h51m | 16h39m |
| January 11th | 6h51m | 16h47m |
| January 21st | 6h48m | 16h57m |
| January 31st | 6h42m | 17h07m |
| February 10th | 6h33m | 17h18m |
|
| February 20th | 6h22m | 17h28m |
| March 2nd | 6h10m | 17h37m |
| March 12th | 5h56m | 17h46m |
| March 22nd | 5h42m | 17h54m |
| April 1st | 5h28m | 18h03m |
|
| April 11th | 5h14m | 18h11m |
| April 21st | 5h01m | 18h19m |
| May 1st | 4h49m | 18h27m |
| May 11th | 4h40m | 18h36m |
| May 21st | 4h32m | 18h44m |
|
| May 31st | 4h27m | 18h51m |
| June 10th | 4h25m | 18h56m |
| June 20th | 4h25m | 19h00m |
| June 30th | 4h28m | 19h01m |
Sunrise and Sunset in Tokyo (2)
| Date | JCST |
| Sunrise | Sunset |
| July 10th | 4h33m | 18h59m |
| July 20th | 4h40m | 18h55m |
| July 30th | 4h47m | 18h47m |
| August 9th | 4h55m | 18h38m |
| August 19th | 5h03m | 18h26m |
|
| August 29th | 5h11m | 18h13m |
| September 8th | 5h18m | 17h59m |
| September 18th | 5h26m | 17h44m |
| September 28th | 5h33m | 17h30m |
| October 8th | 5h41m | 17h15m |
|
| October 18th | 5h50m | 17h02m |
| October 28th | 5h59m | 16h50m |
| November 7th | 6h08m | 16h41m |
| November 17th | 6h18m | 16h33m |
| November 27th | 6h28m | 16h29m |
|
| December 7th | 6h37m | 16h28m |
| December 17th | 6h44m | 16h30m |
| December 27th | 6h49m | 16h35m |
| |