When does boost technically ends ?

It clearly says on Jan 7, but, it doesn't specify:
-It is Jan 6 going to 7 ?
-Or it is Jan 7 and boost ends until its last hour (jan8)
-What timezone ?

Thanks for clarifying

[Ps: Original Announcement from Supercell]
http://forum.supercell.net/showthrea...96#post1213496

I'd say update end it, just a guess... Its 6 th here but we a day ahead of sc so good luck

bump, so anyone knows ?