Strange sort order for "New posts since last visit"

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1

After some days offline I checked http://forum.openstreetmap.org/search.php?action=show_new for the lastest news.
Page 1 displays posts from
Today 11:37:54 till Yesterday 17:44:18
Page 2 displays posts from
Today 17:15:01 till Today 11:42:29
Page 3 displays posts from
Today 17:28:30 till Today 17:21:49

Can someone explain this?

2

Can’t explain this other then that it looks like a bug in Fluxbb. I hope to be able to look at it (and the email problem) this weekend.