Once after you have successfully configured Squid you may notice at the bottom of error page signature appears with GMT timezone. You might want to change to local timezone.
Generated Mon, 10 Aug 2009 12:49:15 GMT by linuxreaders.squid (squid/2.6.STABLE21)You can change timezone by editing files stored in /usr/share/squid/errors/English.
Put Below signature at the bottom of every page to display local timezone.
<BR clear=”all”>
<HR noshade size=”1px”>
<ADDRESS>
Generated %t by %h (%s)
</ADDRESS>
</BODY></HTML>
Generated 10/Aug/2009:18:21:17 +0530 by linuxreaders.squid (squid/2.6.STABLE21)