Date: Thu, 29 Sep 2011 22:47:13 +0400 From: Solar Designer <solar@...nwall.com> To: owl-dev@...ts.openwall.com Subject: Re: timezones On Thu, Sep 29, 2011 at 08:58:32PM +0400, croco@...nwall.com wrote: > On Thu, Sep 29, 2011 at 08:21:03PM +0400, Solar Designer wrote: > > What we may do for our older glibc is take the Etc/GMT-4 file, change > > the name inside it from GMT-4 to MSD, and replace the Europe/Moscow file > > I don't think it is good to change the name. MSD means 'Moscow > Daylight-saving', and everyone knows this particular meaning, so this can > confuse people. Isn't Moscow going to stay at precisely this same timezone, with permanent daylight savings now? > What name to use, then -- is another problem. We'll need to use what the majority is going to use - let's find this out (e.g., see what upstream glibc does). > > if(ents.HasPrefix("GMT+") || > > ents.HasPrefix("GMT-") || > > > > This is because these timezones are historically confusingly named - the > > opposite from what one would expect (the timezone file Etc/GMT-4 is > > actually for four hours ahead of GMT). > > Surprisingly enough, this is still the case in the distros I've got handy > (besides Owl, these are Ubuntu and Debian), AND they do precisely the same > things for UTC+n/UTC-n. Isn't it may be the time to break this weird > tradition, heh? Or may be invent some new names, e.g. GMTZ+/GMTZ-? Maybe. Again, I'd like to know how other distros approach the problem of allowing arbitrary GMT or UTC offset timezones to be configured, preferably without the confusing timezone names being displayed anywhere. > We can add another menu item, such as 'specify the time zone offset > manually'. Sure. The primary question (to which I have no answer yet) is how the setup program should configure the system for that. Using the existing confusingly named timezones doesn't sound good to me. Alexander
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