On Fri, Oct 1, 2021 at 8:38 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > But the option of "Greenwich Daylight Time" suggests that Windows thinks > this means UK civil time, not UTC.
Yes, it's been a while but IIRC Windows in the UK uses confusing terminology here even in user interfaces, so that in summer it appears to be wrong, which is annoying to anyone brought up on Eggert's system. The CLDR windowsZones.xml file shows this.
