Same exact thing happened to me last night. I got fed up waiting for a GM and am reinstalling.

Isp: Comcast
Type-cable
Speed-54 mbps
Date and time- April 5 at 10 pm and April 6th at 7 am
Frequency- I was able to fix the whack recast timers by logging twice but currently cannot return or teleport anywhere

Tawnee Teraflare
Miquote
Ridill
Black mage
50
Outside Limsa, at the ? For the 45 WHM quest
Party and solo