It's not a timezone switch. You are still in the same timezone but switching from daylight saving to none daylight saving. The OS handles such a switch. On Fri, 18 Feb 2005 11:17:42 -0500, Sami Seerangan <dba.orcl@xxxxxxxxx> wrote: > but this will not handle timezone switch , say for example when we > change from EST to EDT or vice versa. > > On Fri, 18 Feb 2005 16:42:34 +0100, Christian Antognini > <Christian.Antognini@xxxxxxxxxxxx> wrote: > > >I need to get international time zones in 3 letter format, something > > >like EST,CDT ....etc. > > ALTER DATABASE SET TIME_ZONE = 'EST'; > Then when you select DBTIMEZONE you get the correct format. > > Notice that you cannot alter the database if it stores tables with > > TIMESTAMP WITH LOCAL TIME ZONE columns. > > > -- > //www.freelists.org/webpage/oracle-l > -- //www.freelists.org/webpage/oracle-l