> On Oct 29, 2015, at 8:06 PM, Robert Elz <k...@munnari.oz.au> wrote: > > Date: Fri, 30 Oct 2015 01:49:36 +0000 > From: "Brian Ginsbach" <ginsb...@netbsd.org> > Message-ID: <20151030014936.3fd4...@cvs.netbsd.org> > > | Reject timezone offsets more than 12 hours (east or west). > > That's definitely incorrect. > > andromeda$ TZ=Pacific/Auckland date +"%c %z" > Fri Oct 30 15:04:08 2015 +1300 > > That's right now (or a minute or two ago). > > Offsets of +1400 have been seen as well, and +1500 isn't out of the > question. I'm not sure if -1300 has ever been used, but probably. > > If you need limits, limit it to +/- 2400
The problem is that the international date line doesn’t follow 180E exactly. There’s deviations and some islands are a day ahead of where they’d otherwise be. And these move from time to time. Apia in Samoa is GMT+1400. Pago Pago, just a few miles away is GMT-1300. As I write this it is Fri Oct 30 at 4:37pm in Apia and The Oct 29 at 3:37 in Pago Pago. A limit of +/- 1200 is totally bogus. Time doesn’t work that way. Warner
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