Reki Yoko Heisei 22 (2010)
February  2nd, 2009, announced by NAOJ
Sunrise and Sunset in Tokyo         Heisei 22 (2010)
Sunrise and Sunset in Tokyo (1)
 | Date | JCST | 
|---|
 | Sunrise | Sunset | 
|---|
 | January  1st | 6h51m | 16h38m | 
 | January 11th | 6h51m | 16h47m | 
 | January 21st | 6h48m | 16h57m | 
 | January 31st | 6h42m | 17h07m | 
 | February 10th | 6h34m | 17h17m | 
 |  | 
 | February 20th | 6h23m | 17h27m | 
 | March  2nd | 6h10m | 17h37m | 
 | March 12th | 5h57m | 17h46m | 
 | March 22nd | 5h43m | 17h54m | 
 | April  1st | 5h28m | 18h02m | 
 |  | 
 | April 11th | 5h14m | 18h11m | 
 | April 21st | 5h01m | 18h19m | 
 | May  1st | 4h50m | 18h27m | 
 | May 11th | 4h40m | 18h36m | 
 | May 21st | 4h32m | 18h43m | 
 |  | 
 | 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 | 18h48m | 
 | August  9th | 4h55m | 18h38m | 
 | August 19th | 5h03m | 18h26m | 
 |  | 
 | August 29th | 5h10m | 18h13m | 
 | September  8th | 5h18m | 17h59m | 
 | September 18th | 5h25m | 17h45m | 
 | September 28th | 5h33m | 17h30m | 
 | October  8th | 5h41m | 17h16m | 
 |  | 
 | October 18th | 5h50m | 17h03m | 
 | October 28th | 5h59m | 16h51m | 
 | November  7th | 6h08m | 16h41m | 
 | November 17th | 6h18m | 16h33m | 
 | November 27th | 6h28m | 16h29m | 
 |  | 
 | December  7th | 6h37m | 16h28m | 
 | December 17th | 6h44m | 16h30m | 
 | December 27th | 6h49m | 16h35m | 
 |  |