Re: How to format this type of timestamp

[Tim Visher <tim.visher@gmail.com>]

On Mon, Oct 5, 2020 at 6:36 AM <tomas@tuxteam.de> wrote:

> On Mon, Oct 05, 2020 at 12:05:40PM +0300, Jean Louis wrote:
> > * Yuri Khan <yuri.v.khan@gmail.com> [2020-10-04 21:42]:
> > > I think tomas’s remark was about the fact that you hardcode +03 in
> > > your format string but you let Emacs auto-detect your local time zone.
> > > This can cause an inconsistency if it detects a zone other than +03.
> > > Two better options would be:
> > >
> > > a. Let Emacs auto-detect the time zone and use the %Z format specifier
> > > to preserve the detected time zone in the string.
> > >
> > >     (format-time-string "%F %T.%6N%Z" (/ 1599549641372 1000.0))
> > >     ⇒ "2020-09-08 14:20:41.371999+07"
> >
> > Thank you.
> >
> > It is not good to hard code in my specific case, and also not good to
> > assume the default local time zone as messages are coming from various
> > countries in various time zones, it is not practical that I assume my
> > local time zone, so I am waiting for the answer from developers of
> > Silence SMS application, as maybe the time is UTC time, then it will
> > be alright, then I can convert it properly to PostgreSQL timestamp
> > with time zone.
>
> I think you don't need that response. They'd be foolish to have a purely
> numerical timestamp be other than "seconds [1] from Epoch, in UTC", where
> Epoch is 1970-01-01 (well Mac has Epoch on 1900-01-01: whether that's
> foolish is left as an exercise to the reader).
>
> Simply because there's no means to communicate.
>
> Typically when /displaying/ the date to a human reader, you pick this
> human reader's timezone (or whatever you guess her timezone is).
>

Isn't time fun? https://yourcalendricalfallacyis.com/