 CONT: When the Leo Crow murder is first envisioned by the PreCogs,  Jad says that the "time of occurrence is 15:06 hours", which is  3:06pm. After Anderton sees that its him in the prevision, he sets  the alarm on his watch for 35 hours and 56 minutes. Counting  backwards from 3:06pm this means that it is currently just after 3am  when Anderton, Jad, Wally and the rest of PreCrime are at work.  Also, when Anderton tries to escape on the MagLev and calls Lamar in  his office, it is obviously in broad daylight and not 3am.