At a guess, it’s because at that time of year, British Summer Time is active; so 00:00 on 14th August local time is 23:00 on 13th August GMT.
Jeremy > On 8 Feb 2019, at 14:32, Uist Macdonald via 4D_Tech <[email protected]> > wrote: > > > I do not understand what is happening here in V17.0: > > String(Date("14/8/2017");ISO date GMT) //UK date format > > gives > > 2017-08-13T23:00:00Z > > i.e. the day before! > > My regional setting are correct. > > Uist ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
