Monster regen times messed up

[Jigga]

Just about every boss whose regen I try to keep track of does not respawn in the accurate time.

I've killed tons of different boss monsters, and logged the time, then showed up about 15 minute before it should be ready to respawn and waited as long as 90 minutes afterwards and the monster never spawned. I of course tried moving and looking in and out of the rooms.

Anyone else notice this being a problem?

[Gardner Denver]

Why don't ya post your log for me to look at.  Mob name, date/time killed, when you went back.  Let me see if I can find a pattern.

[exterminator]

when doing the ruins. it was accurate within 2 mins the last 2 times I have done it. The only one that is hard to figure out is the crimson mist.