From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: * X-Spam-Status: No, score=1.4 required=5.0 tests=BAYES_50,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 11390f,d587e556880d8473 X-Google-Attributes: gid11390f,public X-Google-Thread: 10261c,d587e556880d8473 X-Google-Attributes: gid10261c,public X-Google-Thread: 103376,d587e556880d8473 X-Google-Attributes: gid103376,public X-Google-Thread: fa0ae,d587e556880d8473 X-Google-Attributes: gidfa0ae,public X-Google-Thread: 1014db,d587e556880d8473 X-Google-Attributes: gid1014db,public X-Google-Thread: 114809,d587e556880d8473 X-Google-Attributes: gid114809,public X-Google-Thread: 1094ba,d587e556880d8473 X-Google-Attributes: gid1094ba,public From: Dr John Stockton Subject: Re: Results of my test: Re: Friday 13th, try it yourself Date: 1996/10/03 Message-ID: <6TAs9aAEEEVyEweG@merlyn.demon.co.uk>#1/1 X-Deja-AN: 187119763 distribution: world x-nntp-posting-host: merlyn.demon.co.uk references: organization: Home, Surrey, UK mime-version: 1.0 newsgroups: comp.lang.ada,comp.lang.apl,comp.lang.c,comp.lang.fortran,comp.lang.perl.misc,comp.lang.pascal.misc,comp.lang.smalltalk Date: 1996-10-03T00:00:00+00:00 List-Id: In article of Thu, 3 Oct 1996 11:58:07 in comp.lang.pascal.misc, James Gillespie wrote: > At the risk of prolonging this thread, there has been recent >discussion over how long a time period must be analysed to get a >correct distribution. One value put forward was 4800 years. While >this is very interesting in a theoretical way, what about the last >hundred years or so? If Friday 13ths are unevenly spread through the >4800 years there must be local maxima and minima. Are we currently in >an epoch in which there are a comparatively large number of Friday >13ths? > > Jim > >Jim Gillespie ,'_ "Happiness is being famous for your >jim@sbil.co.uk / -.--. ___ financial ability to indulge in >+44 171 721 2672 _~\ \__`--'_,-' every form of excess" > / /\\ `--'_-\\ -- Calvin >'94 ZZR600 \__/ `----' \__/ No. One seventh of 13ths fall on each day of the week, **BETWEEN** 1900 & 2100 AD. The full Gregorian calendar repeats every 400 years, and a repeat contains a slight excess if F13. See URL below. As I said before. Recommend you also read Son-of-RFC1036 sec 4.3.2 end re signature separation, quoted in URL below +news-use.htm -- John Stockton, Surrey, UK. JRS@merlyn.demon.co.uk Turnpike v1.12 MIME http://www.merlyn.demon.co.uk/