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Java example source code file (cal_julian.xml)

This example Java source code file (cal_julian.xml) is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

colebourne, datetime, edition, gregorianjulian, isbn, iso-8859-1, joda-time, julian, julianchronology, the, this, using, wikipedia, within

The cal_julian.xml Java example source code

<?xml version="1.0" encoding="ISO-8859-1"?>


  <title>Java date and time API - Julian calendar system
  <author>Stephen Colebourne


<section name="Julian calendar system">
The Julian calendar system is calendar system that was widely used from about 4CE to 1582CE.
It was replaced by the <a href="cal_gregorian.html">Gregorian calendar on 1582-10-15.
The Julian calendar defines a leap year as once every four years.
This becomes inaccurate over time, to such an extent that by 1582, 10 days had to be
'lost' to correct the calendar.
The Julian calendar is represented in Joda-Time by the Julian chronology.
This chronology applies Julian rules for all time.
Normally, a more accurate historic calendar is found by using the
<a href="cal_gj.html">GregorianJulian chronology instead.
<li>Calendrical Calculations - Millenium Edition - ISBN 0521777526
<li>Wikipedia - Julian Calendar

<section name="Using Julian chronology in Joda-Time">
Within Joda-Time the Julian calendar system can be used by obtaining an
instance of <a href="apidocs/org/joda/time/chrono/JulianChronology.html">JulianChronology.
This is normally created using the factory method
<a href="apidocs/org/joda/time/chrono/JulianChronology.html#getInstance()">JulianChronology.getInstance().
This is then passed into the constructors of the main date and time classes.
// setup date object for the Battle of Hastings in 1066
Chronology chrono = JulianChronology.getInstance();
DateTime dt = new DateTime(1066, 10, 14, 10, 0, 0, 0, chrono);



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