There was no spawn between the emergency maintenance that ended on Nov. 25 4:00am CST and when we finally saw him on Nov. 28 10:32pm.
A full moon cycle (32 erozean days) is exactly 37 hours, 20 minutes in Earth time. Here's my math on any 5pm ET before full moon since maintenance (in U.S. Central Standard Time):
Code:
Nov. 25 4:00am -> Nov. 25 5:39pm = 13 hours, 39 minutes (too early)
Nov. 25 4:00am -> Nov. 27 6:59am = 50 hours, 59 minutes (should be poppable, but nothing)
Nov. 25 4:00am -> Nov. 28 8:19pm = 88 hours, 19 minutes (nothing again)
Nov. 25 4:00am -> Nov. 28 10:32pm = 90 hours, 32 minutes (found here...)
If you wish to check math, the next 5pm before full moon will be on Nov. 30, 2015 at 9:39:35am CST (hours, minutes, seconds)
Somewhat unrelated, the next midnight at New Moon will be in just a few minutes (Nov. 29, 3:20:00pm CST) in case Mindflayer is available on your server (which it should be unless hunts are really dead on your server).
Edit:
Recently, I've been keeping track of where the A and B rank mobs pop for Kaiser. I don't have enough data to say this is proven yet, but I've noticed where he has spawned in the past 3 times I've kept track, absolutely no B or A ranks were found there since the last maintenance/Kaiser kill. This is with me going out there and killing the B ranks for several hours over and over each time.