Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-24 Thread Brooks Harris
On 2014-02-17 03:35 AM, Tony Finch wrote: Clive D.W. Feather wrote: Brooks Harris said: Wikipedia (not always an authoritative source) Standard time http://en.wikipedia.org/wiki/Standard_time states: "Where daylight saving time is used, the term standard time typically refers to the time with

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-18 Thread Daniel R. Tobias
On 18 Feb 2014 at 10:13, Tony Finch wrote: > Depends how much you travel I guess :-) Usual context for the term "local > time" is when arriving in a new time zone - "the local time is..." - which > is exactly the ISO 8601 meaning. ...which they tend to announce at the end of flights even if the

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-18 Thread Tony Finch
Clive D.W. Feather wrote: > > But to be honest, I don't hear either term used very often in the UK, where > we (almost) only have one time zone. Depends how much you travel I guess :-) Usual context for the term "local time" is when arriving in a new time zone - "the local time is..." - which is

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-17 Thread Clive D.W. Feather
Tony Finch said: >> But not mine. >> >> "standard time" is to be contrasted with "local time". Both GMT and BST are >> "standard time" in the UK. > The relevant distinction is from the late 1800s, between local mean solar > time and time based on a standard meridian, as in railway time. Right. B

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-17 Thread Tony Finch
Warner Losh wrote: > > Moving to atomic time doesn't undo 4500 years of timekeeping tradition. > In fact, it restores the tradition of all minutes being the same length. That is a relatively recent tradition compared to 4500 years :-) Tony. -- f.anthony.n.finchhttp://dotat.at/ Irish Sea: So

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-17 Thread Tony Finch
Clive D.W. Feather wrote: > Brooks Harris said: > > > > Wikipedia (not always an authoritative source) > > Standard time > > http://en.wikipedia.org/wiki/Standard_time > > states: > > > > "Where daylight saving time is used, the term standard time typically > > refers to the time without the offse

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Brooks Harris
On 2014-02-16 02:05 PM, Clive D.W. Feather wrote: Brooks Harris said: Wikipedia (not always an authoritative source) Standard time http://en.wikipedia.org/wiki/Standard_time states: "Where daylight saving time is used, the term standard time typically refers to the time without the offset for d

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Rob Seaman
On Feb 16, 2014, at 3:05 PM, Clive D.W. Feather wrote: > Brooks Harris said: > >> "Where daylight saving time is used, the term standard time typically >> refers to the time without the offset for daylight saving time.". >> >> That is consistent with my understanding of "Standard time". > > B

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Clive D.W. Feather
Brooks Harris said: > Wikipedia (not always an authoritative source) > Standard time > http://en.wikipedia.org/wiki/Standard_time > states: > > "Where daylight saving time is used, the term standard time typically > refers to the time without the offset for daylight saving time.". > > That is co

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Steve Allen
On Sun 2014-02-16T10:20:40 -0800, Brooks Harris hath writ: > >These are questions better posed in the context of the tz mail list. > Perhaps. But it revolves around UTC. Yes and no, and there are significant cultural differences between the folks on the tz mail list and the folks who drive issues

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Kevin Birth
ional. Cheers, Kevin From: leapsecs-boun...@leapsecond.com [leapsecs-boun...@leapsecond.com] on behalf of Brooks Harris [bro...@edlmax.com] Sent: Sunday, February 16, 2014 2:14 PM To: leapsecs@leapsecond.com Subject: Re: [LEAPSECS] Definition of Standard

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Brooks Harris
On 2014-02-16 10:39 AM, Warner Losh wrote: On Feb 16, 2014, at 11:20 AM, Brooks Harris wrote: Only a comprehensive plan which aims to fix the obvious and well known problems is going to head off the "kill Leap Seconds" movement. I think the momentum and general conservatism of the powers that

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Brooks Harris
On 2014-02-16 10:32 AM, Gerard Ashton wrote: In US law (see http://www.law.cornell.edu/uscode/text/15/260a ) the time observed in each time zone is referred to as the standard time, even when the time is advanced during the summer. Obviously the language of the law differs from common usage. S

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Warner Losh
On Feb 16, 2014, at 11:20 AM, Brooks Harris wrote: > Only a comprehensive plan which aims to fix the obvious and well known > problems is going to head off the "kill Leap Seconds" movement. I think the momentum and general conservatism of the powers that be will do more to kill the plan than an

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Gerard Ashton
In US law (see http://www.law.cornell.edu/uscode/text/15/260a ) the time observed in each time zone is referred to as the standard time, even when the time is advanced during the summer. Obviously the language of the law differs from common usage. Gerry Ashton __

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Brooks Harris
On 2014-02-16 09:22 AM, Steve Allen wrote: On Sun 2014-02-16T09:07:11 -0800, Brooks Harris hath writ: I wonder why they avoid making clear definitions of Standard time and Daylight? Is it because previous precedent had already confused the meanings of the terms, or maybe because they emanate fro

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Steve Allen
On Sun 2014-02-16T09:07:11 -0800, Brooks Harris hath writ: > I wonder why they avoid making clear definitions of Standard time > and Daylight? Is it because previous precedent had already confused > the meanings of the terms, or maybe because they emanate from the > "Western world" and can't be agr

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Brooks Harris
On 2014-02-16 03:30 AM, Poul-Henning Kamp wrote: In message <5300838b.8030...@edlmax.com>, Brooks Harris writes: It seems the meaning of the term "Standard time" in common-use and in POSIX is in conflict with the definitions in ISO 8601 and IEC 60050-111. It seems to me that a term like "Stand

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Rob Seaman
On Feb 16, 2014, at 4:30 AM, Poul-Henning Kamp wrote: > In message <5300838b.8030...@edlmax.com>, Brooks Harris writes: > >> It seems the meaning of the term "Standard time" in common-use and in >> POSIX is in conflict with the definitions in ISO 8601 and IEC 60050-111. > > It seems to me that

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Poul-Henning Kamp
In message <5300838b.8030...@edlmax.com>, Brooks Harris writes: >It seems the meaning of the term "Standard time" in common-use and in >POSIX is in conflict with the definitions in ISO 8601 and IEC 60050-111. It seems to me that a term like "Standard time" is so vague and fuzzy that we should nat

Re: [LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Brooks Harris
;daylight time" 12:00:00-04:00. "Standard time" in 8601 really is in conflict with common use, I think. -Brooks Not optimal but so little in life is. --jh...@mit.edu John Hawkinson +1 617 797 0250 Brooks Harris wrote on Sun, 16 Feb 2014 at 01:23:23 -0800 in <5300838b.803

[LEAPSECS] Definition of Standard time - Brooks Harris

2014-02-16 Thread Brooks Harris
It seems the meaning of the term "Standard time" in common-use and in POSIX is in conflict with the definitions in ISO 8601 and IEC 60050-111. Wikipedia (not always an authoritative source) Standard time http://en.wikipedia.org/wiki/Standard_time states: "Where daylight saving time is used, the