"Alistair Bayley" <alistair@xxxxxxxxxxx> writes: > On 18/08/06, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: >> I guess the question is whether, when Windows is using this setting, >> it tracks British summer time rules or not. Would someone check? > What would a reasonable check be? I can start the Windows command > prompt and type "time /t" which gives me the current local time > (adjusted for daylight savings). In the Windows Date/Time dialogue > there is a "Automatically adjust clock for daylight saving changes" > checkbox, which is checked. I don't know what registry setting this > maps to, though. Hm. It kinda sounds like you might get true GMT if that box is not checked, and the equivalent of Europe/London if it is checked. 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? regards, tom lane