The perpetual calendar
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From: Transfer Principle on 23 Feb 2010 23:12 On Feb 22, 6:02 pm, Andrew Usher <k_over_hb...(a)yahoo.com> wrote: > Transfer Principle wrote: > > There's a huge problem with the Usher leap year plan here. I > > can see why Usher would want to avoid leap years starting on > > Thursdays, since Easter, being 15 weeks after Christmas, > > would fall on April 4th such years, which is outside of the > > April 5-11 range given by Usher elsewhere in this thread. > One needs, to correct this, to sometimes have a shorter than 4-year > interval between leap years. This can be accomplished by inserting at > intervals, a shorter cycle as follows (using your notation): > Year 1: Friday (leap year) > Year 2: Sunday > Year 3: Monday > Year 4: Tuesday (leap year) > Year 5: Thursday > Year 6: Friday (leap year) > 7 17-year cycles and 1 of these make 30 leap years in 124, or a year > of 365+30/124 = 365.2419 days. OK, that will work. The revised Usher leap year plan is equivalent to two 62-year cycles as given on the two links I mentioned earlier, so one can check those links to see how accurate the new plan is. In particular, according to the second link, the Usher leap year plan will be accurate to within a day up until at least 2800, based on the mean autumnal equinox year.
From: Evan Kirshenbaum on 23 Feb 2010 23:30 António Marques <antonioprm(a)sapo.pt> writes: > Adam Funk wrote (23-02-2010 20:02): >> On 2010-02-23, António Marques wrote: >> >>> "Roman Catholic" ISN'T AN OFFICIAL SELF-DESIGNATION. ANYWHERE. >> >> Are you going to write to all the churches in the UK with "St ____'s >> Roman Catholic Church" or "St ____'s R. C. Church" on their signs, >> newsletters, websites, etc., to tell them that they are wrong? (I >> think this is common in much of the USA too.) > > I doubt that that's their legal name where they have one. On what basis? If it's the name they put on their sign and on their web site, why would you assume that their "official" or "legal" name is something else? Would it give you any doubt if I were to point you to, say the articles of incorporation for "Our Mother of Sorrows Roman Catholic Parish - Tuscon": http://www.omosparish.org/DOT-ArtIncorp.pdf or the official latest annual financial report of "the Roman Catholic Dicoese of Brooklyn, NY": http://dioceseofbrooklyn.org/FinancialReport.aspx <URL:http://dioceseofbrooklyn.org/uploadedFiles/ About_The_Diocese_and_Our_Parishes/Diocesan_Administration/ Finance/AR%208-31-09%20Central%20Funds%20.pdf> -- Evan Kirshenbaum +------------------------------------ HP Laboratories |A little government and a little luck 1501 Page Mill Road, 1U, MS 1141 |are necessary in life, but only a Palo Alto, CA 94304 |fool trusts either of them. | P.J. O'Rourke kirshenbaum(a)hpl.hp.com (650)857-7572 http://www.kirshenbaum.net/
From: Evan Kirshenbaum on 23 Feb 2010 23:32 Andrew Usher <k_over_hbarc(a)yahoo.com> writes: > j...(a)specsol.spam.sux.com wrote: > >> >> I suspect that you could find people celebrating Pesach, Purim, >> >> Rosh Hashanah, and Yom Kippur in as many countries as any four >> >> Christian holidays. >> > >> > Well, yes, but not _more people_. >> > >> > Andrew Usher >> >> With roughly 1.3 billion Chinese alone, New Years is celebrated by >> a LOT more people. > > New Year is not among the holidays Kirshenbaum mentioned. Sure it was. It's right up there between Purim and Yom Kippur. > I exclude it from my consideration as by its nature it can't be > fixed to a particular day of the week. -- Evan Kirshenbaum +------------------------------------ HP Laboratories |Sorry, captain. Convenient 1501 Page Mill Road, 1U, MS 1141 |technobabble levels are dangerously Palo Alto, CA 94304 |low. kirshenbaum(a)hpl.hp.com (650)857-7572 http://www.kirshenbaum.net/
From: jimp on 23 Feb 2010 23:32 Andrew Usher <k_over_hbarc(a)yahoo.com> wrote: > j...(a)specsol.spam.sux.com wrote: > >> > New Year is not among the holidays Kirshenbaum mentioned. I exclude it >> > from my consideration as by its nature it can't be fixed to a >> > particular day of the week. >> > >> > Andrew Usher >> >> Neither can most holidays. > > So? It was your justification in the above quote. >> The original issues were international and total recognition. > > Whose issues? I never said _total_ recognition, only widespread > recognition. You can't deny that knowledge of Christmas and Easter is > pretty widespread, and basically universal in the Western world even > among non-Christians. I'd say being celebrated by almost all nations, cultures, and religions implies pretty extensive "widespread recognition". And it was you that brought up international recognition; don't you remember what you say from post to post? -- Jim Pennino Remove .spam.sux to reply.
From: Evan Kirshenbaum on 23 Feb 2010 23:36
"Androcles" <Headmaster(a)Hogwarts.physics_u> writes: > I'm fully aware that you may be so stupid as to reply, but the purpose > of this message is to encourage others to kill-file fuckwits I suspect that it may be more successful than you know. -- Evan Kirshenbaum +------------------------------------ HP Laboratories |"Algebra? But that's far too 1501 Page Mill Road, 1U, MS 1141 |difficult for seven-year-olds!" Palo Alto, CA 94304 | |"Yes, but I didn't tell them that kirshenbaum(a)hpl.hp.com |and so far they haven't found out," (650)857-7572 |said Susan. http://www.kirshenbaum.net/ |