Hi Jason! Thanks, makes sense.
Will On Fri, Nov 29, 2024 at 7:07 AM Jason E. Aten <j.e.a...@gmail.com> wrote: > Hi Will! > > For Windows, there is some context here > https://github.com/golang/go/issues/21881 > > I think the short answer is that Windows does time zones differently > enough that there would be subtle > bugs introduced, and only on Windows, if we tried to use the Windows info, > and nobody wanted to > volunteer to do the painstaking, long, slog of dealing with that, and in > dealing with versions > of windows might not have the needed data. > > It is much simpler (and fewer bugs) if Go programs on all platforms are > reading the same timezone data. > I for one prefer it that way. > > That said, I'm sure if you wanted to go to the trouble of translating > Windows timezone info into > Go compatible timezone info, and/or teaching the Go runtime how to read > timezone info from Windows, > and providing a suitable fallback when Windows doesn't have it, then by > all means. > > Since you will need the fallback anyway, I don't see it being worth the > effort. > I would always want the option to keep the timezone info consistent across > all platforms; for my own sanity if nothing else. > > Best, > Jason > > On Wednesday, November 27, 2024 at 9:03:16 PM UTC-5 will....@gmail.com > wrote: > >> I read in a recent Go issue that Go uses time zone data in GOROOT for >> Windows and Plan 9. >> >> I looked through the Go proposal documents, but couldn't find one for the >> time package that had the original reasons, but I assume the reasons are >> because Windows didn't used to have IANA-compatible time zone info, and >> Plan 9 still doesn't. >> >> Can anyone point me to info about why Go doesn't use the time zone info >> in the Windows registry instead? It looks like there is now a full >> mapping from IANA zones to Windows zones >> <https://superuser.com/questions/1709147/history-explanation-for-time-zones-on-windows> >> . >> >> I'm also curious why Plan 9 doesn't include a tzdata or zoneinfo database >> file for programs to use for time zone logic/math, like most OSs, if anyone >> happens to know. I understand wanting to keep the system time simple, but >> the database still seems useful for generally doing math with times from >> different time zones. Why not just include it for programs? >> >> Will >> > -- > You received this message because you are subscribed to a topic in the > Google Groups "golang-nuts" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/golang-nuts/ye9K3CSzbqI/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > golang-nuts+unsubscr...@googlegroups.com. > To view this discussion visit > https://groups.google.com/d/msgid/golang-nuts/342a5f7d-724c-4fbc-ad65-59599756ec9fn%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/342a5f7d-724c-4fbc-ad65-59599756ec9fn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/golang-nuts/CAKbcuKiNzt8EEFc2djkAdvsUfV2mWq%2Bjv_6Xw3M50Xta1mm-2g%40mail.gmail.com.
