Here is an example http://prntscr.com/5e8got
At the time I posted, my clock is 12:31, but Xenforo recored as 12:12:27
My forum is using Asia/Bangkok timezone and the time format is h:m:s
In addition, please look at this screenshot http://prntscr.com/5e8iqp
The order of the posts is right, but the post's time is crazy.