<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Convert Julian Day to Unix timestamp</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.jdtojulian.html">JDToJulian</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.jewishtojd.html">JewishToJD</a></div> <div class="up"><a href="ref.calendar.html">Calendar Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.jdtounix" class="refentry"> <div class="refnamediv"> <h1 class="refname">jdtounix</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">jdtounix</span> — <span class="dc-title">Convert Julian Day to Unix timestamp</span></p> </div> <div class="refsect1 description" id="refsect1-function.jdtounix-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><strong>jdtounix</strong></span> ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$jday</code></span> )</div> <p class="para rdfs-comment"> This function will return a Unix timestamp corresponding to the Julian Day given in <em><code class="parameter">jday</code></em> or <strong><code>FALSE</code></strong> if <em><code class="parameter">jday</code></em> is not inside the Unix epoch (Gregorian years between 1970 and 2037 or 2440588 <= <em><code class="parameter">jday</code></em> <= 2465342 ). The time returned is localtime (and not GMT). </p> </div> <div class="refsect1 parameters" id="refsect1-function.jdtounix-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">jday</code></em></span> <dd> <p class="para"> A julian day number between 2440588 and 2465342. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.jdtounix-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The unix timestamp for the start of the given julian day. </p> </div> <div class="refsect1 seealso" id="refsect1-function.jdtounix-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.unixtojd.html" class="function" rel="rdfs-seeAlso">unixtojd()</a> - Convert Unix timestamp to Julian Day</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.jdtojulian.html">JDToJulian</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.jewishtojd.html">JewishToJD</a></div> <div class="up"><a href="ref.calendar.html">Calendar Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>