In message <20150602065310.ga11...@ucolick.org>, Steve Allen writes:
>On Tue 2015-06-02T06:38:46 +, Poul-Henning Kamp hath writ:
>> UTC is very much a technical standard, written to solve the problem
>> of "what time did it happen" in international (and thus political)
>> relations.
>
On Tue 2015-06-02T06:38:46 +, Poul-Henning Kamp hath writ:
> UTC is very much a technical standard, written to solve the problem
> of "what time did it happen" in international (and thus political)
> relations.
That degrades the work of IETF and every other organization that
requires two inter
In message <20150602063313.ga11...@ucolick.org>, Steve Allen writes:
>UTC is not a technical standard, it is a political construct.
>That's why LORAN-C, GPS, Galileo, BeiDou, and the Indian satellite
>system chose to construct their own time scales rather than to use UTC.
UTC is very muc
On Mon 2015-06-01T17:36:34 +, Poul-Henning Kamp hath writ:
> In message <20150601172537.gc14...@ucolick.org>, Steve Allen writes:
>
> >We need a resolution of the issue so that the out-of-the-box defaults
> >can just work without any choices.
>
> I'm happy that you have finally realized why som
On 2015-06-01 03:25 PM, Steve Allen wrote:
On Mon 2015-06-01T12:05:08 -0700, Tom Van Baak hath writ:
Can you send me a definitive URL with global TZ rules so I can
grep|sort|uniq to get a feel for when DST transitions occurs? I guess
I thought it always was 2 am local (which implies jumps from
Tom Van Baak said:
> Can you send me a definitive URL with global TZ rules so I can grep|sort|uniq
> to get a feel for when DST transitions occurs?
The following database:
https://www.iana.org/time-zones
is about as definitive as you will find.
> I guess I thought it always was 2 am local (whi
Tom Van Baak said:
>>> DST changes at 2am in the US and 1am in the EU.
>> That is 01:00 UTC which is 02:00 standard / 03:00 summer time for most of
>> the EU.
> Tony, that's my understanding too, that all DST changes always occur at 2am
> local time, both times a year.
No.
In the EU the changes
Pierpaolo Bernardi said:
>> http://eur-lex.europa.eu/legal-content/IT/TXT/?uri=CELEX:32000L0084
> By the way, I noticed only now that the English text says 01:00 GMT, while
> the Italian text says 01:00 Tempo Universale.
It's worse than that. Of the 22 official texts:
BG, CS, EL, EN, ET, FI, HU,
> You'll need a faster car. Or a plane. Maybe we could get the guys on the
> space station to try it?
Hi Brooks,
On the equator, timezones fly by about 1000 mph (earth diameter is ~25000
miles, day is ~24 hours). So that excludes cars and commercial planes.
Even up here at 45 degrees latitude,
Tom Van Baak said:
> Oh, I wasn't thinking of cheating and adjusting timezones with a mouse click.
> For maximum photo effect, I was planning to drive my mobile (car) time lab
> across two time zones the night of June 30 and catch two Azure leap seconds.
> Timezones are too wide to hit three in
On Mon 2015-06-01T12:05:08 -0700, Tom Van Baak hath writ:
> Can you send me a definitive URL with global TZ rules so I can
> grep|sort|uniq to get a feel for when DST transitions occurs? I guess
> I thought it always was 2 am local (which implies jumps from 02h->03h
> and 02h->01h).
I believe sev
On Mon, Jun 1, 2015 at 9:19 PM, Pierpaolo Bernardi
wrote
In the EU, the change happens simultaneously in all countries at 01:00 UTC.
>
>
> The following is an authoritative source:
> http://eur-lex.europa.eu/legal-content/IT/TXT/?uri=CELEX:32000L0084
>
By the way, I noticed only now that the Eng
On Mon, Jun 1, 2015 at 6:35 PM, Tom Van Baak wrote:
> > On 31 May 2015, at 03:28, Rob Seaman wrote:
> >>
> >> DST changes at 2am in the US and 1am in the EU.
> >
> > That is 01:00 UTC which is 02:00 standard / 03:00 summer time for most of
> > the EU.
> >
> > Tony.
>
> Tony, that's my understand
Rob (or Steve),
Can you send me a definitive URL with global TZ rules so I can grep|sort|uniq
to get a feel for when DST transitions occurs? I guess I thought it always was
2 am local (which implies jumps from 02h->03h and 02h->01h).
Also, possibly related, do you know of any place where DST is
On 2015-06-01 12:37 PM, Tom Van Baak wrote:
Tom Van Baak said:
On a positive note, this means one could actually experience more than one
Windows non-leap-second on June 30. Maybe this year I should try to
celebrate the leap second twice, in Mountain and in Pacific time. Time to
pull out the roa
Hi Tom,
> Tony, that's my understanding too, that all DST changes always occur at 2am
> local time, both times a year.
>
> Rob, where did you see the 1am documented?
Got me. Rummaging through zoneinfo, however, many different pivot hours have
been used. The point was just that there is nothing
In message <20150601172537.gc14...@ucolick.org>, Steve Allen writes:
>We need a resolution of the issue so that the out-of-the-box defaults
>can just work without any choices.
I'm happy that you have finally realized why some parties are pushing
for the only resolution on the table[1] wh
On Mon 2015-06-01T13:12:50 -0400, G Ashton hath writ:
> Rules for deciding when to count leap seconds and when to ignore them are
> not fully developed; it's entirely understandable that programmers have
> trouble programming in an environment where there is no universal agreement
> on the rules.
People intentionally throw information away, for certain purposes, even when
the information is not totally expunged. For example, when a baseball batter
ends his at-bat, the information about the number of strikes and balls
becomes irrelevant; all that matters, as far as the outcome of the game is
> Tom Van Baak said:
>> On a positive note, this means one could actually experience more than one
>> Windows non-leap-second on June 30. Maybe this year I should try to
>> celebrate the leap second twice, in Mountain and in Pacific time. Time to
>> pull out the road map.
>
> Why stop with Mountai
> On 31 May 2015, at 03:28, Rob Seaman wrote:
>>
>> DST changes at 2am in the US and 1am in the EU.
>
> That is 01:00 UTC which is 02:00 standard / 03:00 summer time for most of
> the EU.
>
> Tony.
Tony, that's my understanding too, that all DST changes always occur at 2am
local time, both tim
On 30 May 2015, at 23:05, Tom Van Baak wrote:
>
> I understand that's why JD rolls over at noon instead of midnight. But,
> for the other 7 billion people on the planet, it's nice that the
> calendar, and local legal time, and even MJD rolls over at midnight
> instead of noon.
And GMT switches at
On 31 May 2015, at 03:28, Rob Seaman wrote:
>
> DST changes at 2am in the US and 1am in the EU.
That is 01:00 UTC which is 02:00 standard / 03:00 summer time for most of
the EU.
Tony.
--
f.anthony.n.finchhttp://dotat.at/
Hebrides: Southwest 5 or 6, becoming cyclonic 6 to gale 8, perhaps sev
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