<speculation>

I am guessing that the form shows "UTC+0" after you submit because of CGI.pm's sticky variables.

As to why it's not going into the database, perhaps there is a chunk of code that looks like:

if ($USER->{timezone} != CGI::param('settimezone') && CGI::param('sett
+imezone'))
{
  # change user setting
}
[download]

the value for UTC+0 is the only one that would evalaute as false.

Of course, this is just a guess wihout seeing the code. I'm not sure but I don't think that the timezone setting is in Everything core. I think it's a perlmonks add-on.

</speculation>

Simon Flack ($code or die)
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