Re: UTC or not UTC for timestamps in the past ([FEATURE REQUEST] Timezone support in org-mode)

[Jean Louis]

* Max Nikulin <manikulin@gmail.com> [2023-01-24 07:51]:
> On 24/01/2023 09:44, Thomas S. Dye wrote:
> > Max Nikulin writes:
> > > 
> > > I believed that [2023-01-22 Sun 08:29@+1100] unambiguously suggests
> > > offset from UTC.
> > 
> > Not for a casual programmer like me. The timestamp alone might easily be
> > read as 11 hours ahead of local time. Nevertheless, Org is certainly
> > free to interpret it as relative to UTC.
> 
> My primary concern is that I might be wrong assuming that format like
> [2023-01-22 Sun 08:29@+1100] with offset in respect to UTC is reciprocal
> identity  mapping to UTC.

ISO 8601 is international standard on which you should make decisions.

https://en.wikipedia.org/wiki/ISO_8601#Time_offsets_from_UTC
https://en.wikipedia.org/wiki/UTC_offset

,----
| The UTC offset (or time offset) is an amount of time subtracted from
| or added to Coordinated Universal Time (UTC) time to specify the local
| solar time (which may not be the current civil time, whether it is
| standard time or daylight saving time). 
`----

I hope your concern clarifies itself.

-- 
Jean

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