In a number of threads, including this one:

http://www.flyertalk.com/forum/showthread.php?t=310527

replies are showing before the original post.

I just had this happen in this thread:

http://www.flyertalk.com/forum/showt...=309928&page=2

My post was in response the the post below from jfe. The time stamp on my post is from my computer!

It would appear that there is a setting somewhere that needs to be changed from "Local Computer" to "Server" for time stamping.