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[Bug 12489] New: Conversion example of Julian/proleptic Greogrian date issues

From: <bugzilla@jessica.w3.org>
Date: Thu, 14 Apr 2011 01:25:39 +0000
To: public-html@w3.org
Message-ID: <bug-12489-2495@http.www.w3.org/Bugs/Public/>

           Summary: Conversion example of Julian/proleptic Greogrian date
           Product: HTML WG
           Version: unspecified
          Platform: PC
               URL: http://dev.w3.org/html5/spec/common-microsyntaxes#glob
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: xn--mlform-iua@xn--mlform-iua.no
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,

Spec source says:

]]  The date of Nero's birth is the 15th of December 37, in the Julian
    Calendar, which is the 13th of December 37 in the proleptic
    Gregorian Calendar.</li> <!-- This might not be true. I can't find
    a reference that gives his birthday with an explicit statement
    about the calendar being used. However, it seems unlikely that it
    would be given in the Gregorian calendar, so I assume sites use
    the Julian one. --> [[

Please replace the above source code with the following source code:

]]  The date of Nero's birth is reckoned to be 15th of December 37
     in the Julian Calendar, which corresponds to the 13th of 
    December 37 in the proleptic Gregorian Calendar.</li> [[


     there is no doubt that 15th of December refers 
     to a *Julian* calendar. Because it is easy to verify that
     it is a Julian date.
a) The Julian calendar was introduced in year 45 AD in the 
    Roman empire were Nero was emperor.
b) A historical source says: "Nero was born at Antium 
    nine  months after the death of Tiberius, on the eighteenth day 
    before the  Kalends of January". [0]  And according to the Roman
    dating  customs (see for instance Rolf  Brahde's explanation[1] 
    page 239), then  "eightenth day before Kalends  of January"  
    corresponds to "15th of December". 

    The comment with the speculation of whether it is meant Julian 
    calendar or not, shouldbe deleted.

    However, whether he was born exactly year 37 BC is not complety 
    undisputed. [2]

    It makes sense to use wording such "reckoned to be", to signify
    that one doesn't take it completely for granted.

[1] http://books.google.com/books?id=kHgyQwAACAAJ
[2] http://www.jstor.org/pss/4434858

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Received on Thursday, 14 April 2011 01:25:41 UTC

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