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.

graph.JPG