Persona 4 the animation airs tonight on the following Stations:
MBS: 25:30 (or 1:30AM next day)
TBS: 25:55 (or 1:55AM next day)
P4A will air on the third station, CBS on the 12th of October at 26:00 (or 2am next day)
And yes, Japanese stations actually have their time schedules up until 26:00.
Check out the official site for more details: http://p4a.jp