User blog comment:Pawn of Atlas/Important Discussion for Rapture Storyline page/@comment-189.143.46.245-20140329144427/@comment-46.7.95.98-20140329230809

I agree that the date of fontaines audio diary was just a mistake. Many of the audio diaries in this episode are dated in november and december so it's possible that the developers just put in the wrong month in because it was stuck in their heads and they never noticed.