1<?xml version="1.0" encoding="UTF-8"?> 2 3 4<!--*********************************************************************** 5 * 6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7 * 8 * Copyright 2000, 2010 Oracle and/or its affiliates. 9 * 10 * OpenOffice.org - a multi-platform office productivity suite 11 * 12 * This file is part of OpenOffice.org. 13 * 14 * OpenOffice.org is free software: you can redistribute it and/or modify 15 * it under the terms of the GNU Lesser General Public License version 3 16 * only, as published by the Free Software Foundation. 17 * 18 * OpenOffice.org is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU Lesser General Public License version 3 for more details 22 * (a copy is included in the LICENSE file that accompanied this code). 23 * 24 * You should have received a copy of the GNU Lesser General Public License 25 * version 3 along with OpenOffice.org. If not, see 26 * <http://www.openoffice.org/license.html> 27 * for a copy of the LGPLv3 License. 28 * 29 ************************************************************************--> 30 31<helpdocument version="1.0"> 32<meta> 33<topic id="textscalcguideyear2000xml" indexer="include" status="PUBLISH"> 34<title id="tit" xml-lang="en-US">19xx/20xx Years</title> 35<filename>/text/scalc/guide/year2000.xhp</filename> 36</topic> 37<history> 38<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 39<lastedited date="2004-09-27T11:53:17">converted from old format - fpe</lastedited> 40</history> 41</meta> 42<body> 43<bookmark xml-lang="en-US" branch="index" id="bm_id3150439"><bookmark_value>years; 2-digits</bookmark_value> 44<bookmark_value>dates; 19xx/20xx</bookmark_value> 45</bookmark> 46<paragraph role="heading" id="hd_id3150439" xml-lang="en-US" level="1" l10n="U" oldref="18"><variable id="year2000"><link href="text/scalc/guide/year2000.xhp" name="19xx/20xx Years">19xx/20xx Years</link> 47</variable></paragraph> 48<section id="text"> 49<paragraph role="paragraph" id="par_id3151116" xml-lang="en-US" l10n="U" oldref="17">The year in a date entry is often entered as two digits. Internally, the year is managed by $[officename] as four digits, so that in the calculation of the difference from 1/1/99 to 1/1/01, the result will correctly be two years.</paragraph> 50<list type="unordered"> 51<listitem> 52<paragraph role="listitem" id="par_id3154011" xml-lang="en-US" l10n="U" oldref="19">Under <emph><switchinline select="sys"><caseinline select="MAC">%PRODUCTNAME - Preferences</caseinline><defaultinline>Tools - Options</defaultinline></switchinline> - $[officename] - General</emph> you can define the century that is used when you enter a year with only two digits. The default is 1930 to 2029.</paragraph> 53</listitem> 54</list> 55<paragraph role="paragraph" id="par_id3150010" xml-lang="en-US" l10n="U" oldref="20">This means that if you enter a date of 1/1/30 or higher, it will be treated internally as 1/1/1930 or higher. All lower two-digit years apply to the 20xx century. So, for example, 1/1/20 is converted into 1/1/2020.</paragraph> 56</section> 57<section id="relatedtopics"> 58<embed href="text/scalc/guide/calc_date.xhp#calc_date"/> 59</section> 60</body> 61</helpdocument> 62