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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <script src="./callback.js" type="text/javascript"></script> <noscript>Your browser does not support JavaScript. This help page requires JavaScript to render correctly.</noscript> </head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-04-21T9:46:25Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="About the NLS_CALENDAR Parameter" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E10766-01" /> <link rel="copyright" href="./dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="./dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="prev" href="tdddg_globalization021.htm" title="Previous" type="text/html" /> <link rel="next" href="tdddg_globalization023.htm" title="Next" type="text/html" /> <title>About the NLS_CALENDAR Parameter</title> </head> <body> <div class="zz-skip-header"><a href="#BEGIN">Skip Headers</a></div> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="tdddg_globalization021.htm"><img width="24" height="24" src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdddg_globalization023.htm"><img width="24" height="24" src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CACGDEAF" name="CACGDEAF"></a><a id="TDDDG62520" name="TDDDG62520"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1>About the NLS_CALENDAR Parameter</h1> <a name="BEGIN" id="BEGIN"></a> <p><a id="sthref670" name="sthref670"></a><span class="bold">Specifies:</span> Calendar system for the database.</p> <p><span class="bold">Acceptable Values:</span> Any calendar system that Oracle supports. For a list, see <a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=NLSPG594','newWindow').focus()"><span class="italic">Oracle Database Globalization Support Guide</span></a>.</p> <p><span class="bold">Default Value:</span> <code>Gregorian</code></p> <p>The following example shows how setting <code>NLS_CALENDAR</code> to <code>'English Hijrah'</code> and <code>Gregorian</code> affects the displayed system date.</p> <p>To try this example in SQL Developer, enter the statements and queries in the SQL Worksheet. For information about the SQL Worksheet, see <a href="tdddg_selecting002.htm#BCGHHIJG">"Running Queries in SQL Developer"</a>. The results shown here are from SQL*Plus; their format is slightly different in SQL Developer.</p> <div class="example"><a id="CACICBFC" name="CACICBFC"></a><a id="TDDDG264" name="TDDDG264"></a> <p class="titleinexample">NLS_CALENDAR Affects Displayed SYSDATE</p> <ol> <li><a id="CACGCAHD" name="CACGCAHD"></a> <p>Note the current value of <code>NLS_CALENDAR</code>.</p> <p>For instructions, see <a href="tdddg_globalization011.htm#CACIIJGI">"Viewing NLS Parameter Values"</a>.</p> </li> <li> <p>If the value of <code>NLS_CALENDAR</code> in step <a href="#CACGCAHD">1</a> is not <code>'English Hijrah'</code>, change it:</p> <pre xml:space="preserve" class="oac_no_warn"> ALTER SESSION SET <span class="bold">NLS_CALENDAR='English Hijrah'</span>; </pre></li> <li> <p>Run this query:</p> <pre xml:space="preserve" class="oac_no_warn"> SELECT SYSDATE FROM DUAL; </pre> <p>Result:</p> <pre xml:space="preserve" class="oac_no_warn"> SYSDATE ------------------------- <span class="bold">29 Ramadan 1429</span> </pre></li> <li> <p>Change the value of <code>NLS_CALENDAR</code> to <code>'Gregorian'</code>:</p> <pre xml:space="preserve" class="oac_no_warn"> ALTER SESSION SET <span class="bold">NLS_CALENDAR='Gregorian'</span>; </pre></li> <li> <p>Run this query:</p> <pre xml:space="preserve" class="oac_no_warn"> SELECT SYSDATE FROM DUAL; </pre> <p>Result:</p> <pre xml:space="preserve" class="oac_no_warn"> SYSDATE --------- <span class="bold">30-SEP-08</span> </pre></li> <li> <p>Set <code>NLS_CALENDAR</code> to the value that it had at step <a href="#CACGCAHD">1</a>.</p> </li> </ol> </div> <!-- class="example" --> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=NLSPG215','newWindow').focus()"><span class="italic">Oracle Database Globalization Support Guide</span></a></p> <p><a href="tdddg_globalization005.htm#CACHAAJD">About Calendar Formats</a></p> <p><a href="tdddg_globalization012.htm#CACJAJGC">Changing NLS Parameter Values</a></p> <p><a href="tdddg_globalization015.htm#CACHJFJF">About Individual NLS Parameters</a></p> </div> </div> <!-- class="sect2" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 1996, 2009, Oracle and/or its affiliates. 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