Update : Jan. 04, 2013
Tokyo Stock Exchange is open five days a week from Monday to Friday.
The market will be closed on the following national and observed holidays, and the market holidays of Jan. 2, 3, and Dec. 31:
| Jan. 1 | New Year's Day |
| Jan. 2, 3 | Exchange Holiday |
| Jan. 14 | Coming of Age Day |
| Feb. 11 | National Foundation Day |
| Mar. 20 | Vernal Equinox |
| Apr. 29 | Showa Day |
| May 3 | Constitution Memorial Day |
| May 4 | Greenery Day |
| May 5 | Children's Day |
| May 6 | Holiday |
| Jul. 15 | Marine Day |
| Sep. 16 | Respect for the Aged Day |
| Sep. 23 | Autumnal equinox |
| Oct. 14 | Health and Sports Day |
| Nov. 3 | Culture Day |
| Nov. 4 | Holiday |
| Nov. 23 | Labor Thanksgiving Day |
| Dec. 23 | Emperor's Birthday |
| Dec. 31 | Exchange Holiday |
| Jan. 1 | New Year's Day |
| Jan. 2, 3 | Exchange Holiday |
| Jan. 13 | Coming of Age Day |
| Feb. 11 | National Foundation Day |
| Mar. 21 | Vernal Equinox |
| Apr. 29 | Showa Day |
| May 3 | Constitution Memorial Day |
| May 4 | Greenery Day |
| May 5 | Children's Day |
| May 6 | Holiday |
| Jul. 21 | Marine Day |
| Sep. 15 | Respect for the Aged Day |
| Sep. 23 | Autumnal equinox |
| Oct. 13 | Health and Sports Day |
| Nov. 3 | Culture Day |
| Nov. 23 | Labor Thanksgiving Day |
| Nov. 24 | Holiday |
| Dec. 23 | Emperor's Birthday |
| Dec. 31 | Exchange Holiday |