Thursday, February 12, 2015
This day is covered in these episodes:
This date is a guess, the events could have happened on any day between February 10 and February 28.
The audition meeting from the previous day does not end before 2:27 in the morning.
Katsuragi and the sound producer Nakata combined reveal some information that is not relevant until six months later: Nakata mentions that Itou is available on Thursdays, to which Katsuragi adds that fall's schedule favors Itou. She ends up getting picked for the role. So the recording sessions for Third Aerial Girls Squad take place on Thursdays.
The VA mentioned here, Suzuka Itou, is a reference to real life VA Shizuka Itou, who voices not only basically herself in this anime, but also (among others) the aforemontioned Nakata. So she's - in a way - reading out her own schedule. Funny story...