Just randomly happened upon these potential synchronicities.
4.11
does "."="1"?
4 12?
4 15 (15:00=3pm)
4 21?
4 30?
20:43 Qclock time (5/3)? (also where P@in PSWD reveal occurred [43]
Other possible variations, no doubt.
I think comms manage to describe the date, time and nature/type/location of event all with the fewest numbers possible.