So your server is in New Zealand or such?
You say your putting a 12 in the GMT of Photopost to match the
VB time that means to me your server is somewhere in the south pacific with a -12 timezone.
I need to know your exact location of the server to be able to instruct you how to set things. vbulletin does not have a gmt switch that i know of they automatically convert your time to GMT nomatter where the server is located at.
Say for example my server is here in Maryland USA which +5 GMT. I dont do anything in
vb as thats already set in my
vb. Only thing you set in
vb is a default timezone for guests and when people to register.
vb the way they do the time they get your timezone and convert it back to GMT.
Therefore for Photopost and
vb times to be in sync we have that GMT switch in global options to make our program work like
vb. I would put in mine -5 to get time back to GMT then of course the users
vb time offset we apply when they are logged in.