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| <title>The GNU Fortran Compiler: DATE_AND_TIME</title> |
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| <a name="DATE_005fAND_005fTIME-_002d_002d_002d-Date-and-time-subroutine"></a> |
| <h3 class="section">8.61 <code>DATE_AND_TIME</code> — Date and time subroutine</h3> |
| <a name="index-DATE_005fAND_005fTIME"></a> |
| <a name="index-date_002c-current"></a> |
| <a name="index-current-date"></a> |
| <a name="index-time_002c-current"></a> |
| <a name="index-current-time"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p><code>DATE_AND_TIME(DATE, TIME, ZONE, VALUES)</code> gets the corresponding date and |
| time information from the real-time system clock. <var>DATE</var> is |
| <code>INTENT(OUT)</code> and has form ccyymmdd. <var>TIME</var> is <code>INTENT(OUT)</code> and |
| has form hhmmss.sss. <var>ZONE</var> is <code>INTENT(OUT)</code> and has form (+-)hhmm, |
| representing the difference with respect to Coordinated Universal Time (UTC). |
| Unavailable time and date parameters return blanks. |
| </p> |
| <p><var>VALUES</var> is <code>INTENT(OUT)</code> and provides the following: |
| </p> |
| <table> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(1)</code>:</td><td width="40%">The year</td></tr> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(2)</code>:</td><td width="40%">The month</td></tr> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(3)</code>:</td><td width="40%">The day of the month</td></tr> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(4)</code>:</td><td width="40%">Time difference with UTC in minutes</td></tr> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(5)</code>:</td><td width="40%">The hour of the day</td></tr> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(6)</code>:</td><td width="40%">The minutes of the hour</td></tr> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(7)</code>:</td><td width="40%">The seconds of the minute</td></tr> |
| <tr><td width="15%"></td><td width="30%"><code>VALUE(8)</code>:</td><td width="40%">The milliseconds of the second</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Standard</em>:</dt> |
| <dd><p>Fortran 95 and later |
| </p> |
| </dd> |
| <dt><em>Class</em>:</dt> |
| <dd><p>Subroutine |
| </p> |
| </dd> |
| <dt><em>Syntax</em>:</dt> |
| <dd><p><code>CALL DATE_AND_TIME([DATE, TIME, ZONE, VALUES])</code> |
| </p> |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>DATE</var></td><td width="70%">(Optional) The type shall be <code>CHARACTER(LEN=8)</code> |
| or larger, and of default kind.</td></tr> |
| <tr><td width="15%"><var>TIME</var></td><td width="70%">(Optional) The type shall be <code>CHARACTER(LEN=10)</code> |
| or larger, and of default kind.</td></tr> |
| <tr><td width="15%"><var>ZONE</var></td><td width="70%">(Optional) The type shall be <code>CHARACTER(LEN=5)</code> |
| or larger, and of default kind.</td></tr> |
| <tr><td width="15%"><var>VALUES</var></td><td width="70%">(Optional) The type shall be <code>INTEGER(8)</code>.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Return value</em>:</dt> |
| <dd><p>None |
| </p> |
| </dd> |
| <dt><em>Example</em>:</dt> |
| <dd><div class="smallexample"> |
| <pre class="smallexample">program test_time_and_date |
| character(8) :: date |
| character(10) :: time |
| character(5) :: zone |
| integer,dimension(8) :: values |
| ! using keyword arguments |
| call date_and_time(date,time,zone,values) |
| call date_and_time(DATE=date,ZONE=zone) |
| call date_and_time(TIME=time) |
| call date_and_time(VALUES=values) |
| print '(a,2x,a,2x,a)', date, time, zone |
| print '(8i5)', values |
| end program test_time_and_date |
| </pre></div> |
| |
| </dd> |
| <dt><em>See also</em>:</dt> |
| <dd><p><a href="CPU_005fTIME.html#CPU_005fTIME">CPU_TIME</a>, <a href="SYSTEM_005fCLOCK.html#SYSTEM_005fCLOCK">SYSTEM_CLOCK</a> |
| </p></dd> |
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