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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Convert Unix timestamp to Julian Day</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.calendar.html">Calendar Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.datetime.html">Date/Time</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.unixtojd" class="refentry"> <div class="refnamediv">  <h1 class="refname">unixtojd</h1>  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">unixtojd</span> &mdash; <span class="dc-title">Convert Unix timestamp to Julian Day</span></p> </div> <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type">int</span> <span class="methodname"><b><b>unixtojd</b></b></span>    ([ <span class="methodparam"><span class="type">int</span> <tt class="parameter">$timestamp</tt></span>  ] )</div>  <p class="para rdfs-comment">   Return the Julian Day for a Unix <i><tt class="parameter">timestamp</tt></i>   (seconds since 1.1.1970), or for the current day if no   <i><tt class="parameter">timestamp</tt></i> is given.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt>     <span class="term"><i><tt class="parameter">timestamp</tt></i></span>     <dd>      <p class="para">       A unix timestamp to convert.      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   A julian day number as integer.  </p> </div> <div class="refsect1 seealso">  <h3 class="title">See Also</h3>  <p class="para">   <ul class="simplelist">    <li class="member"><a href="function.jdtounix.html" class="function" rel="rdfs-seeAlso">jdtounix()</a></li>   </ul>  </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.calendar.html">Calendar Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.datetime.html">Date/Time</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>

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