Re: [111attendees] timing

[Adnan Rashid <[e-mail]>]

if are on the following link

https://datatracker.ietf.org/meeting/111/agenda/#2021-07-28-110000

then on the right panel, there is "local time"


   - Showing America/Los_Angeles time
   - Meeting time | Local time | UTC


On Thu, Jul 29, 2021 at 4:47 PM Diego Dujovne <[e-mail]>
wrote:

> What I generally do is to ask Google: what time is UTC?
>
> [image: image.png]
> (no interest in good writing when Google understands anyway)
> Then I calculate the difference myself.
> Regards,
>
>                         Diego
>
> On Thu, Jul 29, 2021 at 11:38 AM Toerless Eckert <[e-mail]> wrote:
>
>> AFAIK, it is quite the opposite of what you say, see also:
>> https://en.wikipedia.org/wiki/Coordinated_Universal_Time
>>
>> UTC does minimize the amount of errors and conversion steps you need
>> to do when collaborating internationally. If your reference time is
>> some TZ, you need to understand not only your own local TZ offset and
>> DST rules, but also that of the reference TZ offset and DST rules.
>> And you effectively translate from one to the other going through UTC.
>> When UTC is your reference you only need to understand your local TZ
>> offset and DST rules.
>>
>> As to whether or not UTC exists, thats a matter of "exists" wrt to
>> TZ. I guess your "exist" is that only those TZ exist that are adopted
>> by some territorial entity. And while Ghana and Iceland adopt UTC+0, no
>> DST,
>> i would agree that recommending some countries whose TZ rules nobody
>> knows is but a hack for the normal user.
>>
>> Nevertheless, adoption of TZ by territorial governments is but one
>> type of adoption/existance. UTC is the universal standard in aviation and
>> militaries as
>> well as i think a lot ofthernationally coordinated organizations are
>> adopting UTC directly without a need to declare themselves to be
>> in Ghana or Iceland. The same is logical for IETF.
>>
>> Of course, we may not need to call it UTC. NATO for example
>> calls UTC ZULU time. If we wanted to confuse the heck out of
>> participants to make a good joke & pun (which is always a good
>> reason to confuse people IMHO), we could call it iTime (Internet Time,
>> IETF time).
>>
>> Cheers
>>     Toerless
>>
>> On Wed, Jul 28, 2021 at 06:48:59PM +0200, Alexandre Petrescu wrote:
>> > There is a difference in opposing noon start times and opposing UTC
>> > references.  I oppose the latter.
>> >
>> > Using UTC is a big source of errors: artificial two-step conversion and
>> > and an ambiguity of a third step which is the daylight savings (UTC does
>> > not respect daylight savings, and UTC is the same as London times some
>> > times).
>> >
>> > Time should be talked about in terms of geography (cities, oceans, what
>> > have you) but not in absolute terms like 'Unviersal'.  There is no
>> > Universal time however one might turn it.
>> >
>> > UTC is an anchor to go to when one does not have where to go to.  But it
>> > does not really exist.
>> >
>> > Alex
>>
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-- 


Regards,

ADNAN