> -----Original Message----- > From: pgsql-general-owner@xxxxxxxxxxxxxx > [mailto:pgsql-general-owner@xxxxxxxxxxxxxx] On Behalf Of Tom Lane > Sent: 23 August 2006 14:05 > To: Alistair Bayley > Cc: Magnus Hagander; pgsql-general@xxxxxxxxxxxxxx > Subject: Re: [GENERAL] What's special about 1916-10-01 > 02:25:20? Odd jump in internal timestamptz representation > > I have a vague recollection that we discussed this before and > determined > that there's no direct way for a program to find out if that box is > checked though? That particular setting is a DWORD registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation\ DisableAutoDaylightTimeSet 0 (or non-existant) means the box is checked, 1 when it is cleared. Regards, Dave.