bug#56524: doc: timezone offset conversion/info

2022-07-13 Thread Paul Eggert
On 7/13/22 14:31, Karl Berry wrote: +Simple POSIX rules like this can also specify nonzero Greenwich offsets. Nothing about this seems "simple" to me :). I meant "simple" in comparison to the rules like TZ="<-05>+5<-04>,M3.2.0/2,M11.1.0/2". Fixed by installing the attached further patc

bug#56524: doc: timezone offset conversion/info

2022-07-13 Thread Karl Berry
I installed the attached patch to Gnulib Thanks. +Simple POSIX rules like this can also specify nonzero Greenwich offsets. Nothing about this seems "simple" to me :). Anyway. +More-complex POSIX TZ strings can specify simple daylight saving There shouldn't be a hyphen after "More

bug#56524: doc: timezone offset conversion/info

2022-07-12 Thread Paul Eggert
On 7/12/22 15:57, Karl Berry wrote: $ TZ=UTC-4 date -d 'TZ="UTC" 2022-07-24 15:00' This doesn't mean what you want, because TZ=UTC-4 means "My time zone is abbreviated 'UTC', and it's four hours east of Greenwich" which is not a useful setting. You're not the first person to run afoul of P

bug#56524: doc: timezone offset conversion/info

2022-07-12 Thread Karl Berry
Suppose I have a date in UTC, and I want to "convert" it to a given UTC offset, say UTC-4. Based on the date --help msg and examples, etc., I was under the impression that the idiom is TZ= date -d 'TZ="" ' Thus, in my case: $ TZ=UTC-4 date -d 'TZ="UTC" 2022-07-24 15:00' The output is: Sun Jul