Index: branches/5.2.x/core/install/install_schema.sql
===================================================================
diff -u -N -r14978 -r14994
--- branches/5.2.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 14978)
+++ branches/5.2.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 14994)
@@ -265,7 +265,7 @@
   EmailVerified tinyint(4) NOT NULL,
   Modified int(11) DEFAULT NULL,
   dob int(11) DEFAULT NULL,
-  tz int(11) DEFAULT NULL,
+  TimeZone varchar(255) NOT NULL DEFAULT '',
   IPAddress varchar(15) NOT NULL,
   IsBanned tinyint(1) NOT NULL DEFAULT '0',
   PwResetConfirm varchar(255) NOT NULL,
@@ -360,7 +360,7 @@
   IpAddress varchar(20) NOT NULL DEFAULT '0.0.0.0',
   `Status` int(11) NOT NULL DEFAULT '1',
   GroupList varchar(255) DEFAULT NULL,
-  tz int(11) DEFAULT NULL,
+  TimeZone varchar(255) NOT NULL,
   BrowserSignature varchar(32) NOT NULL DEFAULT '',
   PRIMARY KEY (SessionKey),
   KEY UserId (PortalUserId),