The NPB announced today that the 2014 Fresh All-Star Game will take place at Nagasaki Big N Stadium on July 17 (Thursday) next year. The game will most likely take place at night. If the game is canceled for whatever reason, an alternate date has been set for July 18 (Friday). If the game is played on the alternate date, it will take place during the day.
Additional information will be released at a later date.
Source: official announcement