Reki Yoko Heisei 20 (2008)
February 1st, 2007, announced by NAOJ
Sunrise and Sunset in Tokyo Heisei 20 (2008)
Sunrise and Sunset in Tokyo (1)
| Date | JCST |
| Sunrise | Sunset |
| January 1st | 6h50m | 16h38m |
| January 11th | 6h51m | 16h46m |
| January 21st | 6h48m | 16h56m |
| January 31st | 6h43m | 17h07m |
| February 10th | 6h34m | 17h17m |
|
| February 20th | 6h23m | 17h27m |
| March 1st | 6h11m | 17h36m |
| March 11th | 5h58m | 17h45m |
| March 21st | 5h43m | 17h54m |
| March 31st | 5h29m | 18h02m |
|
| April 10th | 5h15m | 18h10m |
| April 20th | 5h02m | 18h18m |
| April 30th | 4h50m | 18h27m |
| May 10th | 4h40m | 18h35m |
| May 20th | 4h32m | 18h43m |
|
| May 30th | 4h27m | 18h50m |
| June 9th | 4h25m | 18h56m |
| June 19th | 4h25m | 19h00m |
| June 29th | 4h28m | 19h01m |
Sunrise and Sunset in Tokyo (2)
| Date | JCST |
| Sunrise | Sunset |
| July 9th | 4h33m | 18h59m |
| July 19th | 4h39m | 18h55m |
| July 29th | 4h47m | 18h48m |
| August 8th | 4h54m | 18h38m |
| August 18th | 5h02m | 18h27m |
|
| August 28th | 5h10m | 18h14m |
| September 7th | 5h17m | 18h00m |
| September 17th | 5h25m | 17h45m |
| September 27th | 5h33m | 17h31m |
| October 7th | 5h41m | 17h17m |
|
| October 17th | 5h49m | 17h03m |
| October 27th | 5h58m | 16h51m |
| November 6th | 6h08m | 16h41m |
| November 16th | 6h18m | 16h34m |
| November 26th | 6h27m | 16h29m |
|
| December 6th | 6h36m | 16h28m |
| December 16th | 6h44m | 16h29m |
| December 26th | 6h49m | 16h34m |
| |