Re: Introduction of long term scheduling

2007-01-11 Thread Clive D.W. Feather
not appear in every packet. Phew. I'd also modify Feather encoding to delta backwards from the expiration time stamp. Interesting idea. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon

Re: Introduction of long term scheduling

2007-01-08 Thread Clive D.W. Feather
be better than 4. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 THUS plc||

Re: Mechanism to provide tai-utc.dat locally

2006-12-27 Thread Clive D.W. Feather
be possible to add and subtract times and intervals (e.g. what time is 14 months and 87 days from now?). -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org

Re: Titan Time

2006-10-26 Thread Clive D.W. Feather
that makes it particularly natural to divide it into 360 parts? Not really. Personally, I like the mil: 6400 mils in a circle, and a mil is close enough to a milliradian that you can use the usual tricks (a mil subtends about a metre at a kilometre). -- Clive D.W. Feather | Work: [EMAIL PROTECTED

Re: the case for created time

2006-07-19 Thread Clive D.W. Feather
D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 THUS plc||

Re: building consensus

2006-06-08 Thread Clive D.W. Feather
didn't touch the sequence of days of the week. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 THUS plc||

Re: building consensus

2006-06-08 Thread Clive D.W. Feather
week was, but before then the Romans had a rigid *eight* day week. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 THUS

Re: building consensus

2006-06-08 Thread Clive D.W. Feather
tradtion. The 25th March is one of the four Quarter Days in England, when traditionally quarterly rents were paid. In Scotland 1st January is a Quarter Day. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44

Re: building consensus

2006-06-08 Thread Clive D.W. Feather
; In other words, all financial matters are to be done by day count and not by calendar date. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http

Re: building consensus

2006-06-08 Thread Clive D.W. Feather
themselves on over a 33-day period in Mammoth Cave back in 1938. No, I think it's just that my memory has converted 24.7 into 27. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet

Re: building consensus

2006-06-08 Thread Clive D.W. Feather
, inserted (I think) after February; - Julius created a single 15 month year as a one-off adjustment to bring calendar back in line with the sun. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937

Re: building consensus

2006-06-08 Thread Clive D.W. Feather
with the true story as revealed by Vandemar (sp?). For example, the official story is that Diaspar was the centre of a human interstellar empire, while the true story is that man was part of a multi-species federation. It's these two stories that differ in what happened to the moon. -- Clive D.W

Re: building consensus

2006-06-07 Thread Clive D.W. Feather
to a system of two sleep-wake cycles per day. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 THUS plc||

Re: building consensus

2006-06-07 Thread Clive D.W. Feather
two different Julian calendars in use: the day and month enumeration matched, but year numbers changed at different dates (1st January in Scotland, 25th March in England and Wales). -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL

Re: 24:00 versus 00:00

2006-02-16 Thread Clive D.W. Feather
to reinforce it). -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 Thus plc||

Re: marketing the leap second

2006-02-03 Thread Clive D.W. Feather
| to 12:00am, extremely precise clocks went to 11:59:60. In France the leap second was at 00:59:60. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http

Re: Risks of change to UTC

2006-01-23 Thread Clive D.W. Feather
. And the English of 1000 years ago is still an official language of the Netherlands (under the name Frisian). -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http

Re: the tail wags the dog

2006-01-23 Thread Clive D.W. Feather
Steve Allen said: The official time of the US for commerce and legal purposes is UTC(NIST). The official time of the US DOD is UTC(USNO). The official time of the Federal Republic of Germany is UTC(PTB). etc. The official time of the UK is GMT. -- Clive D.W. Feather | Work: [EMAIL

Re: Fixing POSIX time

2006-01-20 Thread Clive D.W. Feather
Neal McBurnett said: UT1:Flamsteads birthday ? Cute. 1646-08-19 O.S. or N.S.? At least it wasn't January, which would have added a third option. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED

Re: interoperability

2006-01-09 Thread Clive D.W. Feather
redefine the length of the day without changing the length of the second? Answer: by changing the number of seconds in the day. I won't belabor the difficulty of selling the idea of having different hours of different lengths. You mean just like now? -- Clive D.W. Feather | Work: [EMAIL

Re: interoperability

2006-01-09 Thread Clive D.W. Feather
that we're seeing an hourly shift every year, people are going to have to divorce second from day, or at least re-negotiate the terms of engagement. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937

Re: The real problem with leap seconds

2006-01-09 Thread Clive D.W. Feather
I wrote: Right now, the DTAI(TAI) function is the sum of a set of Kroneker delta functions. Thanks to David for quietly pointing out that I meant Heaviside step functions, not Kroneker delta functions. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet

Re: The real problem with leap seconds

2006-01-09 Thread Clive D.W. Feather
that I still suffer from web-forms that insist I enter a USA style phone number when I have entered Denmark as country, this is a far moure daunting task than it might appear. Amen. [I happen to have a US Social Security number, which allows me to confuse some web pages back.] -- Clive D.W

Re: civil time = solar time

2006-01-05 Thread Clive D.W. Feather
noon is between about 08:00 and 16:00, most people won't care. For unless they see the sky, But they can't, and that is why They know not if it's dark outside or light. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED

Re: Longer leap second notice

2006-01-05 Thread Clive D.W. Feather
D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 Thus plc||

Re: Lighter Evenings (Experiment) Bill [HL]

2005-12-19 Thread Clive D.W. Feather
notion and I belive the welch are not too happy either. Not if you call them that! -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44

Re: a system that fails spectacularly

2005-12-09 Thread Clive D.W. Feather
to force their suppliers and sub-contractors inside the boundary than to deal with stuff coming in. In other words, it's easier to only buy widgets from ISO 9000 compliant suppliers than to provide an inbound widget quality test department. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel

Re: a system that fails spectacularly

2005-12-09 Thread Clive D.W. Feather
M. Warner Losh said: * A second is represented by an integer from 0 to 61; [...] but this specification follows the date and time conventions for ISO C. Of course, ISO C fixed this misunderstanding many years ago. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel

Re: BBC - Leap second talks are postponed

2005-11-17 Thread Clive D.W. Feather
Summer Time. Microsoft *spit* Outlook calendar management talks about GMT Daylight Savings Time or some such idiocy. Every spring I respond to the first appointment request from my boss with so do you want to meet at 10:00 GMT or 10:00 BST?. -- Clive D.W. Feather | Work: [EMAIL PROTECTED

Re: vive le BIH!

2005-08-29 Thread Clive D.W. Feather
in UTC-4 currently, and I naively interpreted the time as UTC+0, but in fact UTC+1 (BST) was meant. Oopsie. The problem here is Microsoft, whose software appears to believe that the current LCT here is GMT Daylight Time. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495

Re: Consensus rather than compromise

2005-08-29 Thread Clive D.W. Feather
Time, therefore it's subject to DST. I wonder if it mishandles zones near the equator which don't have DST? Neither are to do with the *definition* of civil time [1], but with its name. [1] Microsoft has been known to get this wrong as well, attempting to apply US rules to the EU. -- Clive D.W

Re: Consensus rather than compromise

2005-08-29 Thread Clive D.W. Feather
when it works. Not when there are irreconcilable differences in the general requirements and objectives. What is needed is civil time to continue to reflect solar time as it has since literally the dawn of time. Within a couple of hours plus or minus. -- Clive D.W. Feather | Work: [EMAIL

Re: Precise time over time

2005-08-12 Thread Clive D.W. Feather
, a 15 second accuracy (I'd have to dig out various technical papers to be sure). In the US I belive something is antique when it is 25 years old, in Europe I think it has to be 50 years old to gain the distinction. 100 years. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20

Re: GMT - UTC in Australia

2005-02-25 Thread Clive D.W. Feather
* approach requires constraining the behaviour of our descendants 600 years hence, just in different ways; * Universal Time is a *really* stupid name for a time scale based on the variable rotations of one small piece of rock. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20

Re: our customers' needs

2005-01-27 Thread Clive D.W. Feather
Cambridge-Oxford rivalry deleted for brevity.] -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 Thus plc||

Crustal rebound

2005-01-26 Thread Clive D.W. Feather
, please? -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 Thus plc||

Re: ITU Meeting last year

2005-01-20 Thread Clive D.W. Feather
. The world is used to time zones, after all. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | Fax:+44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646 Thus plc||

Re: more media coverage

2003-07-22 Thread Clive D.W. Feather
recall correctly the building at Greenwich is now just a museum, with the RGO having been abolished.] -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel:+44 20 8495 6138 Internet Expert | Home: [EMAIL PROTECTED] | *** NOTE CHANGE *** Demon Internet | WWW: http://www.davros.org

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

2003-01-30 Thread Clive D.W. Feather
in support of Marcus - nobody was discussing stuff at this level of detail. -- Clive D.W. Feather | Work: [EMAIL PROTECTED] | Tel: +44 20 8371 1138 Internet Expert | Home: [EMAIL PROTECTED] | Fax: +44 870 051 9937 Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646