### Re: how to reset a clock

Rob Seaman scripsit: And, of course, a ship would not carry a single clock, but two or more. Friendly ships meeting at sea would also exchange clock readings - creating the first ensemble time scale. (Some things never change.) English passenger at Irish railway station, pointing to the

### Re: A lurker surfaces

midnight. -- On the Semantic Web, it's too hard to prove John Cowan[EMAIL PROTECTED] you're not a dog. --Bill de hOra http://www.ccil.org/~cowan

### Re: Introduction of long term scheduling

, the current guarantee is only statistical, not absolute. -- John Cowan http://www.ccil.org/~cowan [EMAIL PROTECTED] After all, would you consider a man without honor wealthy, even if his Dinar laid end to end would reach from here to the Temple of Toplat? No, I wouldn't

### Re: Introduction of long term scheduling

that if the Earth hiccups on March 7, the value of |DUT1| will not return to normal until May 31. -- John Cowan[EMAIL PROTECTED]http://ccil.org/~cowan The whole of Gaul is quartered into three halves. -- Julius Caesar

### Re: A lurker surfaces

is not physical interval time, but how much time has elapsed *in civil society*. I think this point is quite sound, but I don't quite see what its implications are (or why it makes rubber seconds better than other kinds of adjustments). -- John Cowan http://ccil.org/~cowan[EMAIL PROTECTED] We want

### Re: A lurker surfaces

the way? Is a civil nanosecond one-billionth of a civil second, then? If so, how do we build clocks that measure these intervals? -- One art / There is John Cowan [EMAIL PROTECTED] No less / No more http://www.ccil.org/~cowan All things / To do

### Re: Mechanism to provide tai-utc.dat locally

being made. -- I don't know half of you half as well John Cowan as I should like, and I like less than half [EMAIL PROTECTED] of you half as well as you deserve. http://www.ccil.org/~cowan --Bilbo

### Re: Mechanism to provide tai-utc.dat locally

. --Arthur C. Clarke, The Nine Billion Names of God John Cowan [EMAIL PROTECTED]

### Re: Mechanism to provide tai-utc.dat locally

astronomers insist on a fixed maximum for |DUT1|, no such table can exist. The proposal is this: look at the trends, take your best shot at working out a leap-year schedule for 10 years in the future, and then live with it. -- Newbies always ask: John Cowan Elements

### Re: Mechanism to provide tai-utc.dat locally

. In this case there are really two questions: how much it would cost to loosen DUT1 but leave it bounded, and how much it would cost if it were only statistically, not absolutely, bounded. -- Don't be so humble. You're not that great. John Cowan --Golda Meir

### Re: Mechanism to provide tai-utc.dat locally

use months and seconds.) -- The man that wanders far[EMAIL PROTECTED] from the walking tree http://www.ccil.org/~cowan --first line of a non-existent poem by: John Cowan

### Re: Mechanism to provide tai-utc.dat locally

Rob Seaman scripsit: Mucking with leap seconds is equivalent to redefining the concept of a day. Very true. And adopting the Egyptian-Roman calendar redefined the concept of a month. Somehow civilization survived. -- John Cowan [EMAIL PROTECTED] http://ccil.org/~cowan I must confess

### Re: The fine print

the name Supreme Court is applied to the ordinary trial court for civil and major criminal cases; there are two levels of appellate courts above it. -- John Cowan[EMAIL PROTECTED]http://ccil.org/~cowan There was an old manSaid with a laugh, I From Peru, whose lim'ricks

### Re: ADASS poster on UTC

to the nearest second or two. -- There is no real going back. Though I John Cowan may come to the Shire, it will not seem [EMAIL PROTECTED] the same; for I shall not be the same. http://www.ccil.org/~cowan I am wounded with knife, sting, and tooth, and a long burden. Where shall

### Re: trading amplitude for scheduling

seconds will become more frequent in the future because the Earth is decelerating. 3) Leap seconds occur irregularly because the Earth's deceleration is not constant and in fact changes unpredictably. Right? -- LEAR: Dost thou call me fool, boy? John Cowan FOOL: All thy other titles

### Re: trading amplitude for scheduling

deceleration, or do we not have enough data yet? -- Evolutionary psychology is the theory John Cowan that men are nothing but horn-dogs, http://www.ccil.org/~cowan and that women only want them for their money. [EMAIL PROTECTED] --Susan McCarthy (adapted)

### Re: trading amplitude for scheduling

with the civil time scale, because the random accelerations and decelerations would cancel out in the long run. Of course, we'd have to tolerate larger differences between clock time and terrestrial time, but we'd expect that. -- We pledge allegiance to the penguin John Cowan

### Re: independence day

, not to say a laughingstock. What is to prevent the IERS from issuing bogus leap second announcements? [*] I am not referring here to the Islamic Republic of Iran. -- LEAR: Dost thou call me fool, boy? John Cowan FOOL: All thy other titles http://www.ccil.org/~cowan thou

### Re: independence day

to all. A self-imposed constraint, I think. -- That you can cover for the plentifulJohn Cowan and often gaping errors, misconstruals, http://www.ccil.org/~cowan and disinformation in your posts[EMAIL PROTECTED] through sheer volume -- that is another misconception

### Re: building consensus

Rob Seaman scripsit: Of course, any old I, Claudius fan knows that Augustus was originally named Octavius. Mere coincidence that the eighth child would end up naming the eighth month? Almost certainly. The eighth month was Sextilis, as July was originally Quin(c)tilis. -- John Cowan

### Re: building consensus

of the solar tides. I read TCATS first, and recall it much better than ATFON. -- John Cowan[EMAIL PROTECTED]http://ccil.org/~cowan Heckler: Go on, Al, tell 'em all you know. It won't take long. Al Smith: I'll tell 'em all we *both* know. It won't take any longer.

### Re: building consensus

. -- Dream projects long deferred John Cowan [EMAIL PROTECTED] usually bite the wax tadpole.http://www.ccil.org/~cowan --James Lileks

### Re: building consensus

(it should be 7 April, but for whatever reason no adjustment for 1900 was made). -- We call nothing profound[EMAIL PROTECTED] that is not wittily expressed. John Cowan --Northrop Frye (improved)

### Re: building consensus

rhythms for lots more detail. -- John Cowan [EMAIL PROTECTED]http://ccil.org/~cowan No man is an island, entire of itself; every man is a piece of the continent, a part of the main. If a clod be washed away by the sea, Europe is the less, as well as if a promontory were, as well as if a manor

### Re: building consensus

Mark Calabretta scripsit: On Mon 2006/06/05 22:04:40 -0400, John Cowan wrote in a message to: LEAPSECS@ROM.USNO.NAVY.MIL there was no 1845-12-31 in Manila, any more than there was a As magic tricks go I don't find this one very convincing - I can clearly see the rabbits behind your back. I

### Re: building consensus

may call this position wrong (and I have done so), but it is unquestionably defensible. It would be better to say the number of SI seconds since 1972 rather than UTC seconds, I think. Indeed. -- They do not preach John Cowan that their God will rouse them

### Re: building consensus

no knowing, in the current state of our geophysical knowledge, how the wobbly old boulder in the sky is going to wobble next. The biggest difference between leap days and leap seconds is that days are quantized. Can you expound on this remark? -- They tried to pierce your heart John

### Re: building consensus

to be proleptic Gregorian. (ObOddity: It seems that in Israel, which is on UTC+3, the legal day begins at 1800 local time the day before. This simplifies the accommodation of Israeli and traditional Jewish law.) -- After fixing the Y2K bug in an application: John Cowan WELCOME TO censored

### Re: building consensus

Manila solar time. This was a consequence of the Philippines having been colonized and administered from Spanish America. Nowadays the standard time of Acapulco is UTC-6; of Manila, UTC+8. Q: What happened in the Philippines on December 31, 1844? A: Nothing. It never existed. -- John Cowan [EMAIL

### Re: building consensus

to share the same day. -- Is a chair finely made tragic or comic? Is the John Cowan portrait of Mona Lisa good if I desire to see [EMAIL PROTECTED] it? Is the bust of Sir Philip Crampton lyrical, http://ccil.org/~cowan epical or dramatic? If a man hacking in fury at a block

### Re: building consensus

. Not obvious that there is any difference - kind of a calendrical Mach's Principle. It is precisely the fact that there was no Wednesday in the Philippines in that final week of 1845 that made it a time-zone rather than a calendrical transition. -- John Cowan [EMAIL PROTECTED] http://ccil.org/~cowan

### Re: building consensus

John Cowan that men are nothing but horn-dogs, http://www.ccil.org/~cowan and that women only want them for their money. [EMAIL PROTECTED] --Susan McCarthy (adapted)

### Re: building consensus

. I've seen Linux 2.4 perform this step (but during a simulated leap second, not a real one) in the course of testing some of my timekeeping code. Quite so; my error. -- John Cowan http://ccil.org/~cowan[EMAIL PROTECTED] There are books that are at once excellent and boring. Those

### Re: building consensus

are not to be found on this list. That being so, the leap seconds yes folks are unable to challenge them or persuade them otherwise. You and I, on the other hand, fall into the doughty people here group. -- Is a chair finely made tragic or comic? Is the John Cowan portrait of Mona Lisa good

### Re: Precision vs. resolution

.) To this I would add a fourth nonnegative integer representing clock resolution units and wanted to make sure I had the terminology correct. Ah well. -- John Cowan [EMAIL PROTECTED] http://ccil.org/~cowan In the sciences, we are now uniquely privileged to sit side by side with the giants on whose

### Precision vs. resolution

, but accurate only to 3.) Thanks. -- Values of beeta will give rise to dom! John Cowan (5th/6th edition 'mv' said this if you triedhttp://www.ccil.org/~cowan to rename '.' or '..' entries; see [EMAIL PROTECTED] http://cm.bell-labs.com/cm/cs/who/dmr/odd.html)

### Re: 24:00 versus 00:00

. (Well, I think you wouldn't, though I think some politicians might.) No, I wouldn't. But in labeling every point on the string to a precision of 1 inch, I would say that there are two possibilities for the number of feet, 0 or 1. -- John Cowan [EMAIL PROTECTED] www.ccil.org/~cowan www.ap.org

### Re: 24:00 versus 00:00

or minutes within that day. That amounts to saying that some days have 24 hours, whereas others have 25 hours, 24 of them being 3600 seconds long and the 25th being 1 second long. IMHO that is worse. -- John Cowan www.ccil.org/~cowan www.ap.org [EMAIL PROTECTED] [T]here is a Darwinian explanation

### Re: Accommodating both camps

want) is to make TI rather than UTC the foundation of legal local time. -- Well, I'm back. --SamJohn Cowan [EMAIL PROTECTED]

### Re: Accommodating both camps

Gorgûn! Kill orc-folk!John Cowan No other words please Wild Men. [EMAIL PROTECTED] Drive away bad air and darkness http://www.reutershealth.com with brig ht iron! --Ghân-buri-Ghânhttp://www.ccil.org/~cowan

### Re: Risks of change to UTC

Clive D.W. Feather scripsit: Why not? Greek and Latin, to name two, were spoken that long ago and are recognisable today. Indeed, and they passed through a far tighter bottleneck than anything likely today. Not even the most diligently destructive barbarian can extirpate the

### Re: the tail wags the dog

a purely lunar calendar would make a lot of sense. -- XQuery Blueberry DOMJohn Cowan Entity parser dot-com [EMAIL PROTECTED] Abstract schemata http://www.reutershealth.com XPointer errata

### Re: Risks of change to UTC

and further from solar time, more systems in more communities (transportation, GIS, innumerable scientific disciplines, what have you) would be revealed to need remediation. Can you spell out some of those implications? -- What has four pairs of pants, lives John Cowan in Philadelphia

### Re: Risks of change to UTC

, and announced decades in advance. I certainly do, and I hope everyone else who is down-leaps does too. TI is a good name (you can read it as TAI - A where A is a constant to be decided when the scale is inaugurated). -- John Cowan www.ccil.org/~cowan www.reutershealth.com [EMAIL PROTECTED] [T]here

### Re: Risks of change to UTC

at the equator. Navigators are clearly people who would need access to |TI-UT1| along with astronomers, yes. -- John Cowan www.ccil.org/~cowan www.reutershealth.com [EMAIL PROTECTED] Mr. Henry James writes fiction as if it were a painful duty. --Oscar Wilde

### Re: Problems with GLONASS Raw Receiver Data at Start of New Year

that assume DUT1 is unbounded. -- John Cowan [EMAIL PROTECTED] www.reutershealth.com www.ccil.org/~cowan No man is an island, entire of itself; every man is a piece of the continent, a part of the main. If a clod be washed away by the sea, Europe is the less, as well as if a promontory were, as well

### Re: Monsters from the id

worldwide. According to the Olson timezone database, there have been 516 of them since the beginning of standard time (when that is, of course, varies with the country or subdivision thereof). -- John Cowan http://www.ccil.org/~cowan [EMAIL PROTECTED] Be yourself. Especially do not feign

### Re: Problems with GLONASS Raw Receiver Data at Start of New Year

on. I'd expect to see a wave of breakage as DUT1 exceeded 0.9s for the first time, and a second wave as it exceeded 1s for the first time. After that, of course, the problems would no longer be relevant. :-) -- They tried to pierce your heart John Cowan with a Morgul-knife that remains

### Re: Monsters from the id

users deserve as good or better a timescale as the technical users (who ultimately can take care of themselves). Good for what? (This is not a rhetorical question.) Aliens? Us? Is this one of your Earth jokes? No. -- John Cowan [EMAIL PROTECTED] www.reutershealth.com www.ccil.org/~cowan

### Re: Monsters from the id

that, even the Mayan Long Count. -- John Cowan [EMAIL PROTECTED] www.reutershealth.com www.ccil.org/~cowan The whole of Gaul is quartered into three halves. -- Julius Caesar

### Re: War of the Worlds

slowing can be attributed to Earth's ocean and Mars's lack of one I don't know. (See http://www.madsci.org/posts/archives/oct98/908453811.As.r.html for the relevant masses and radii.) -- Eric Raymond is the Margaret Mead John Cowan of the Open Source movement.[EMAIL

### Re: War of the Worlds

, whereas the mass of Earth times the mass of the Moon is ~ 10^47 kg: eight orders of magnitude, as I said. Sorry for the misstatement. -- Even a refrigerator can conform to the XML John Cowan Infoset, as long as it has a door sticker [EMAIL PROTECTED] saying No information items inside

### Re: The real problem with leap seconds

they are more of a problem than DST shifts? -- Andrew Watt on Microsoft: John Cowan Never in the field of human computing [EMAIL PROTECTED] has so much been paid by so manyhttp://www.ccil.org/~cowan to so few! (pace Winston Churchill) http

### Re: interoperability

with once a year. TV stations, for example, normally broadcast the same program twice in a row on Leapback Sunday, at least in the U.S. -- John Cowan [EMAIL PROTECTED] www.ccil.org/~cowan www.reutershealth.com The penguin geeks is happy / As under the waves they lark The closed-source geeks ain't

### Re: interoperability

times roughly synchronized to Earth rotation containing various glitches. -- We pledge allegiance to the penguin John Cowan and to the intellectual property regime [EMAIL PROTECTED] for which he stands, one world underhttp://www.ccil.org/~cowan Linux, with free music

### Re: interoperability

time scale is not known. This turns out not to be a big problem, except for the makers of calendar programs. -- John Cowan http://www.ccil.org/~cowan [EMAIL PROTECTED] Be yourself. Especially do not feign a working knowledge of RDF where no such knowledge exists. Neither be cynical

### Re: interoperability

to prove John Cowan[EMAIL PROTECTED] you're not a dog. --Bill de hOra http://www.ccil.org/~cowan

### Re: The real problem with leap seconds

of future changes in the length of the tropical year. -- John Cowan [EMAIL PROTECTED] www.reutershealth.com www.ccil.org/~cowan If a traveler were informed that such a man [as Lord John Russell] was leader of the House of Commons, he may well begin to comprehend how the Egyptians worshiped

### Re: The opportunity of leap seconds

. -- It was impossible to inveigle John Cowan [EMAIL PROTECTED] Georg Wilhelm Friedrich Hegel http://www.ccil.org/~cowan Into offering the slightest apology http://www.reutershealth.com For his Phenomenology. --W. H. Auden, from People (1953)

### Re: The real problem with leap seconds

for 3 years. That's quite an example of engineering margin. Indeed. But then so is IPv6 (if we ever get it adopted widely). -- John Cowan [EMAIL PROTECTED] www.ccil.org/~cowan www.reutershealth.com In the sciences, we are now uniquely privileged to sit side by side with the giants on whose

### Re: The opportunity of leap seconds

. If not, I'll try to dig them up. -- John Cowan [EMAIL PROTECTED] www.reutershealth.com www.ccil.org/~cowan There was an old manSaid with a laugh, I From Peru, whose lim'ricks all Cut them in half, the pay is Look'd like haiku. He Much better

### Re: Longer leap second notice

Clive D.W. Feather scripsit: John Cowan said: Barry gules and argent of seven and six,John Cowan on a canton azure fifty molets of the second. [EMAIL PROTECTED] --blazoning the U.S. flag http://www.ccil.org/~cowan You don't get odd numbers of barry. It's

### Re: Longer leap second notice

, or more specifically that the bulk of the population not begin work on one day and end on another (astronomers excepted, of course). This would be a bookkeeping nightmare. -- Barry gules and argent of seven and six,John Cowan on a canton azure fifty molets of the second. [EMAIL PROTECTED

### Re: civil time = solar time

civilians, with some exceptions like Orthodox Jews, Muslims, and farmers, care about LCT, and LCT only has to meet PHK's criteria. -- Do NOT stray from the path! John Cowan [EMAIL PROTECTED] --Gandalf http://www.ccil.org/~cowan

### Re: GMT - UTC in Australia

of the sun (or anything else, perhaps). -- John Cowan [EMAIL PROTECTED] www.reutershealth.com www.ccil.org/~cowan [R]eversing the apostolic precept to be all things to all men, I usually [before Darwin] defended the tenability of the received doctrines, when I had to do with the [evolution]ists

### Re: GMT - UTC in Australia

are qualitatively different: they change the adjustment between TAI and LCT, ignoring earth rotation altogether. -- I marvel at the creature: so secret and John Cowan so sly as he is, to come sporting in the pool [EMAIL PROTECTED] before our very window. Does he think that http

### Re: The Eleven Days

Clive D.W. Feather scripsit: See also http://www.davros.org/misc/easter.html and the Easter Act 1928. Most interesting, and an excellent Web site. -- [T]he Unicode Standard does not encode John Cowan idiosyncratic, personal, novel, or private http://www.ccil.org/~cowan use

### Re: two world clocks AND Time after Time

, and how many people actually realize *that*? -- Winter: MIT, John Cowan Keio, INRIA,[EMAIL PROTECTED] Issue lots of Drafts. http://www.ccil.org/~cowan So much more to understand! http

### Re: Time after Time

with an LCT that is three hours away from the sun, we can stand rather lower discrepancies just fine. -- Don't be so humble. You're not that great. John Cowan --Golda Meir[EMAIL PROTECTED]

### Re: ITU Meeting last year

between the calendar and the synodic month, too. IERS can even maintain OldUTC for their benefit; what matters is what the basis of LCT is, since we all live our lives primarily by LCT.) -- In politics, obedience and support John Cowan [EMAIL PROTECTED] are the same thing. --Hannah Arendt

### Re: ITU Meeting last year

decide to change its offset from the current -0330 to -0300 in 2300, and then leave it alone until 2900. The world would spin on quite unaffected. (Newfie joke suppressed here.) -- John Cowan [EMAIL PROTECTED] http://www.reutershealth.comhttp://www.ccil.org

### Re: ITU Meeting last year

. -- Where the wombat has walked,John Cowan [EMAIL PROTECTED] it will inevitably walk again. http://www.ccil.org/~cowan

### Re: two world clocks

if Urumqi is too remote. And most definitely, let's stop these inane and embarrassing closed door discussions among biased insiders. Personally, I am a biased outsider. It ain't your clock - it's *our* clock. Eh? Who are you and who are we? -- Not to perambulate John Cowan

### Re: two world clocks

, structural, John Cowan Value constraints we / Express on the fly. [EMAIL PROTECTED] Simon St. Laurent: Your / Incomprehensible http://www.reutershealth.com Abracadabralike / schemas must die!http://www.ccil.org/~cowan

### Obvious solutions

reservoirs affect the earth's spin. Want to slow it down? Pump more water uphill! Speed it up? Move the water to Death Valley! It's only water. It's only desert. Who could complain! ;-) Pumped-storage facilities could serve as pilot plants for this effort. -- John Cowan [EMAIL PROTECTED

### Re: religious concerns

rather than international agreement, but this is excusable. He gets the more fundamental points correct: the existing IDL is purely conventional, the historical Sabbath is Saturday, the earth is round and rotates. -- John Cowan http://www.ccil.org/~cowan [EMAIL PROTECTED] Be yourself

### Re: Unix notion of Seconds since the Epoch

clarification of it. -- May the hair on your toes never fall out! John Cowan --Thorin Oakenshield (to Bilbo) [EMAIL PROTECTED]

### Re: Leap-seconds, the epsilon perspective

will stay in sync. -- John Cowanhttp://www.ccil.org/~cowan [EMAIL PROTECTED] Please leave your values| Check your assumptions. In fact, at the front desk. | check your assumptions at the door. --sign in Paris hotel |--Cordelia

### Re: What problems do leap seconds *really* create?

. -- Not to perambulate || John Cowan [EMAIL PROTECTED] the corridors || http://www.reutershealth.com during the hours of repose || http://www.ccil.org/~cowan in the boots of ascension. \\ Sign in Austrian ski-resort hotel

### Re: what should a time standard encompass?

as well, in the interest of simplicity for all non-astronomical applications? -- Business before pleasure, if not too bloomering long before. --Nicholas van Rijn John Cowan [EMAIL PROTECTED] http://www.ccil.org/~cowan http://www.reutershealth.com

### Re: Leap-seconds, the epsilon perspective

of the universe no less John Cowan than the trees and all other acyclichttp://www.reutershealth.com graphs; you have a right to be here.http://www.ccil.org/~cowan --DeXiderata by Sean McGrath [EMAIL PROTECTED]

### Re: what should a time standard encompass?

matter, that the name UTC, which is used in (almost all of) the world's civil time legislation, be kept for that purpose. Astronomers can very well switch to a different abbreviation for their |UTC - UT1| 0.9 timescale. -- What is the sound of Perl? Is it not the John Cowan sound of a [Ww]all

### Re: what should a time standard encompass?

syllogisms. --H.L. Mencken -- Her he asked if O'Hare Doctor tidings sent from far John Cowan coast and she with grameful sigh him answered that www.ccil.org/~cowan O'Hare Doctor in heaven was. Sad was the man that word www.reutershealth.com to hear that him so heavied in bowels ruthful