Wrong hour in bandwitth graph

[Ben88]

Hello and sorry for my english, i’m french ;)
I have just installed fog on my server. Everythnig works fines.
My only issue is the hour what appaear in the bandwich graph. It is two hour before now.
Exemple: I write this post, it’s 14:00 and 12:00 appaer in the graph.

[ATTACH=full]110[/ATTACH]
Off course the first thing i have checked is the server time and it’s ok.
I dont understand where fog finds the hour what appaer here ???

[url="/_imported_xf_attachments/0/110_graph.JPG?:"]graph.JPG[/url]