[LEAPSECS] Length of day :)

2014-01-15 Thread Hal Murray
http://www.gocomics.com/pickles/2014/01/14 -- These are my opinions. I hate spam. ___ LEAPSECS mailing list LEAPSECS@leapsecond.com http://six.pairlist.net/mailman/listinfo/leapsecs

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Clive D.W. Feather
Greg Hennessy said: Dennis McCarthy once forwarded me an english translation of the Inter gravissimas, http://www.bluewaterarts.com/calendar/NewInterGravissimas.htm and it is utterly silent as to what to call the year before 1 AD. Indeed, it says nothing about how years are numbered, but

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Greg Hennessy
Indeed, it says nothing about how years are numbered, but assumes everyone already knows. Those assumptions can bite you every time. ___ LEAPSECS mailing list LEAPSECS@leapsecond.com http://six.pairlist.net/mailman/listinfo/leapsecs

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Tony Finch
Matsakis, Demetrios demetrios.matsa...@usno.navy.mil wrote: Not my issue, but the last day of the 20th century is technically December 31, 2000. I wish it weren't. When this controversy passed in 1701, Isaac Newton is quoted has having rejoiced that the issue was finally behind us. Century

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Kevin Birth
Because Roman reckoning did not include a zero, the leap year in Julius Caesar's calendar was miscalculated. They instituted a leap year ever 3 years rather than every four because the 1st and 4th year of the cycle were considered the same (a fence post error). Augustus corrected this error

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Poul-Henning Kamp
In message cefc056f.7cac%kevin.bi...@qc.cuny.edu, Kevin Birth writes: Kevin, Do you happen to know if the church actually did ban negative numbers for some period of time ? I've seen several popular references claim that the church banned negative numbers as the devils numbers etc, but I've not

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Gerard Ashton
E. G. Richards in Mapping Time: The Calendar and its History mentions the church was leary of negative numbers, and Hindu-Arabic numerals. He suggests one possible reason being that most of the people who could do arithmetic with Roman numerals were clergy, and they didn't want to lose their

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Steve Allen
On Wed 2014-01-15T12:00:47 -0500, Gerard Ashton hath writ: E. G. Richards in Mapping Time: The Calendar and its History mentions the church was leary of negative numbers, and Hindu-Arabic numerals. He suggests one possible reason being that most of the people who could do arithmetic with Roman

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Poul-Henning Kamp
In message alpine.lrh.2.00.1401151224330.20...@nadreck.tuc.noao.edu, Richard Clark writes: I've always liked the view that the first century spanned the years 1-99. Yes, the appeal is obvious, apart from that pescy detail of century meaning hundred... -- Poul-Henning Kamp | UNIX since

[LEAPSECS] A Week on the Concord and Merrimack Rivers

2014-01-15 Thread Rob Seaman
Richard Clark writes: I've always liked the view that the first century spanned the years 1-99. Poul-Henning Kamp replies: Yes, the appeal is obvious, apart from that pescy detail of “century meaning hundred... Richard had already rendered objection moot: The current year numbering

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Richard Clark
On Wed, 15 Jan 2014, Poul-Henning Kamp wrote: In message alpine.lrh.2.00.1401151224330.20...@nadreck.tuc.noao.edu, Richard Clark writes: I've always liked the view that the first century spanned the years 1-99. Yes, the appeal is obvious, apart from that pescy detail of century meaning

Re: [LEAPSECS] LEAPSECS Digest, Vol 88, Issue 31

2014-01-15 Thread Rob Seaman
On Jan 15, 2014, at 3:14 PM, Richard Clark rcl...@noao.edu wrote: Also centipedes don't have exactly 100 legs. …though they’ll typically have an even number ;-) ___ LEAPSECS mailing list LEAPSECS@leapsecond.com

[LEAPSECS] QB213 .R4 2013

2014-01-15 Thread Rob Seaman
Our librarian has assigned the Library of Congress classification QB213 .R4 2013 to the proceedings of “Requirements for UTC and Civil Timekeeping on Earth” (ISBN 978-0-87703-603-6, http://futureofutc.org/preprints/). Looking on the shelf, this is next to the proceedings for IAU Symposium 11,

Re: [LEAPSECS] QB213 .R4 2013

2014-01-15 Thread Steve Allen
On Wed 2014-01-15T16:56:20 -0700, Rob Seaman hath writ: Both volumes contain transcriptions of discussions during the meetings. On p. 35 of the IAU #11 volume we have this harbinger of things to come (following G. M. Clemence http://adsabs.harvard.edu/abs/1959AJ.64..113C Following L.

Re: [LEAPSECS] QB213 .R4 2013

2014-01-15 Thread Tom Van Baak
Rob, Glad you got a chance to read that volume. I thought Steve and I were the only ones who spent time reading the history of atomic timescales over the last century. It's really quite fascinating, if you have the time. “Dr. STOYKO commented that even though the atomic standard is not a

Re: [LEAPSECS] presentations from AAS Future of Time sessions

2014-01-15 Thread Steve Allen
On Thu 2014-01-16T06:55:00 +, Clive D.W. Feather hath writ: Poul-Henning Kamp said: What *has* been proposed, where I have seen it, is to remove leap-seconds, and leave the keep civil time in sync with the sun up to local governments who can mess with their timezones as they see fit.