It looks like you need to update the zoneinfo package.
The one in a standard slacko-5.7 appears to be this: glibc-zoneinfo-2013d_2013d-noarch-8_slack14.0.txz
but the one i have here in a custom woof-built slacko-5.7 in this: glibc-zoneinfo-2014j-noarch-1.txz <---- MAKE A MENTAL NOTE OF THE EXTENSION
and that seems to be working OK with Psync showing Offset to UTC: +0300
The following is done entirely at your own risk
Please make a backup of your savefile first, just in case.
Before installing the attached package (remember to rename it),
execute the following two commands:
mv /etc/localtime /etc/localtime-copied-from
cp -p /etc/localtime-copied-from /etc/localtime
Now install the attached package (make sure you rename it first)
After installing the attached (renamed) package, execute the following command: