Yes, but as stated-- 15 minute offset changes is a very infrequent procedure, and not every device consumes new tz data. > > > but a 15 minute adjustment withi

Yes, but as stated-- 15 minute offset changes is a very infrequent procedure, and not every device consumes new tz data. > > > but a 15 minute adjustment within a zone suddenly is going to screw a lot of devices" There's a whole lot of devices where all you get is a manual hour offset and a daylight flag for outdated tz data.