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<title>The GNU Fortran Compiler: CTIME</title>
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<a name="CTIME"></a>
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<p>
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Next: <a href="DATE_005fAND_005fTIME.html#DATE_005fAND_005fTIME" accesskey="n" rel="next">DATE_AND_TIME</a>, Previous: <a href="CSHIFT.html#CSHIFT" accesskey="p" rel="prev">CSHIFT</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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<hr>
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<a name="CTIME-_002d_002d_002d-Convert-a-time-into-a-string"></a>
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<h3 class="section">9.74 <code>CTIME</code> — Convert a time into a string</h3>
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<a name="index-CTIME"></a>
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<a name="index-time_002c-conversion-to-string"></a>
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<a name="index-conversion_002c-to-string"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p><code>CTIME</code> converts a system time value, such as returned by
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<code>TIME8</code>, to a string. The output will be of the form ‘<samp>Sat
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Aug 19 18:13:14 1995</samp>’.
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</p>
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<p>This intrinsic is provided in both subroutine and function forms; however,
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only one form can be used in any given program unit.
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</p>
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</dd>
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<dt><em>Standard</em>:</dt>
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<dd><p>GNU extension
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</p>
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</dd>
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<dt><em>Class</em>:</dt>
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<dd><p>Subroutine, function
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</p>
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</dd>
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<dt><em>Syntax</em>:</dt>
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<dd><table>
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<tr><td width="80%"><code>CALL CTIME(TIME, RESULT)</code>.</td></tr>
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<tr><td width="80%"><code>RESULT = CTIME(TIME)</code>.</td></tr>
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</table>
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</dd>
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<dt><em>Arguments</em>:</dt>
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<dd><table>
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<tr><td width="15%"><var>TIME</var></td><td width="70%">The type shall be of type <code>INTEGER</code>.</td></tr>
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<tr><td width="15%"><var>RESULT</var></td><td width="70%">The type shall be of type <code>CHARACTER</code> and
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of default kind. It is an <code>INTENT(OUT)</code> argument. If the length
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of this variable is too short for the time and date string to fit
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completely, it will be blank on procedure return.</td></tr>
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</table>
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</dd>
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<dt><em>Return value</em>:</dt>
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<dd><p>The converted date and time as a string.
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</p>
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</dd>
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<dt><em>Example</em>:</dt>
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<dd><div class="smallexample">
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<pre class="smallexample">program test_ctime
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integer(8) :: i
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character(len=30) :: date
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i = time8()
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! Do something, main part of the program
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call ctime(i,date)
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print *, 'Program was started on ', date
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end program test_ctime
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</pre></div>
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</dd>
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<dt><em>See Also</em>:</dt>
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<dd><p><a href="DATE_005fAND_005fTIME.html#DATE_005fAND_005fTIME">DATE_AND_TIME</a>, <a href="GMTIME.html#GMTIME">GMTIME</a>, <a href="LTIME.html#LTIME">LTIME</a>, <a href="TIME.html#TIME">TIME</a>, <a href="TIME8.html#TIME8">TIME8</a>
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