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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<title>Date and Time — Ring 1.0 documentation</title>
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<div class="section" id="date-and-time">
<h1>Date and Time<a class="headerlink" href="#date-and-time" title="Permalink to this headline">¶</a></h1>
<p>In this chapter we are going to learn about the date and time functions.</p>
<div class="section" id="clock-function">
<span id="index-0"></span><h2>Clock() Function<a class="headerlink" href="#clock-function" title="Permalink to this headline">¶</a></h2>
<p>Syntax:</p>
<div class="highlight-none"><div class="highlight"><pre>Clock() ---> The number of clock ticks from program start
</pre></div>
</div>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>See "Calculate performance" + nl
t1 = clock()
for x = 1 to 1000000 next
see clock() - t1
</pre></div>
</div>
</div>
<div class="section" id="time-function">
<span id="index-1"></span><h2>Time() Function<a class="headerlink" href="#time-function" title="Permalink to this headline">¶</a></h2>
<p>We can get the system time using the Time() function.</p>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>See "Time : " + time()
</pre></div>
</div>
</div>
<div class="section" id="date-function">
<span id="index-2"></span><h2>Date() Function<a class="headerlink" href="#date-function" title="Permalink to this headline">¶</a></h2>
<p>We can get the date using the Date() function.</p>
<p>Syntax:</p>
<div class="highlight-none"><div class="highlight"><pre>Date() ---> String represent the date "dd/mm/yyyy"
</pre></div>
</div>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>See "Date : " + date() # Date : 24/05/2015
</pre></div>
</div>
</div>
<div class="section" id="timelist-function">
<span id="index-3"></span><h2>TimeList() Function<a class="headerlink" href="#timelist-function" title="Permalink to this headline">¶</a></h2>
<p>We can print the date and the time information using the TimeList() function.</p>
<p>Syntax:</p>
<div class="highlight-none"><div class="highlight"><pre>TimeList() ---> List contains the time and date information.
</pre></div>
</div>
<p>The next table presents the list items</p>
<table border="1" class="docutils">
<colgroup>
<col width="15%" />
<col width="85%" />
</colgroup>
<thead valign="bottom">
<tr class="row-odd"><th class="head">index</th>
<th class="head">value</th>
</tr>
</thead>
<tbody valign="top">
<tr class="row-even"><td>1</td>
<td>abbreviated weekday name</td>
</tr>
<tr class="row-odd"><td>2</td>
<td>full weekday name</td>
</tr>
<tr class="row-even"><td>3</td>
<td>abbreviated month name</td>
</tr>
<tr class="row-odd"><td>4</td>
<td>full month name</td>
</tr>
<tr class="row-even"><td>5</td>
<td>Date & Time</td>
</tr>
<tr class="row-odd"><td>6</td>
<td>Day of the month</td>
</tr>
<tr class="row-even"><td>7</td>
<td>Hour (24)</td>
</tr>
<tr class="row-odd"><td>8</td>
<td>Hour (12)</td>
</tr>
<tr class="row-even"><td>9</td>
<td>Day of the year</td>
</tr>
<tr class="row-odd"><td>10</td>
<td>Month of the year</td>
</tr>
<tr class="row-even"><td>11</td>
<td>Minutes after hour</td>
</tr>
<tr class="row-odd"><td>12</td>
<td>AM or PM</td>
</tr>
<tr class="row-even"><td>13</td>
<td>Seconds after the hour</td>
</tr>
<tr class="row-odd"><td>14</td>
<td>Week of the year (sun-sat)</td>
</tr>
<tr class="row-even"><td>15</td>
<td>day of the week</td>
</tr>
<tr class="row-odd"><td>16</td>
<td>date</td>
</tr>
<tr class="row-even"><td>17</td>
<td>time</td>
</tr>
<tr class="row-odd"><td>18</td>
<td>year of the century</td>
</tr>
<tr class="row-even"><td>19</td>
<td>year</td>
</tr>
<tr class="row-odd"><td>20</td>
<td>time zone</td>
</tr>
<tr class="row-even"><td>21</td>
<td>percent sign</td>
</tr>
</tbody>
</table>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>/* Output:
** Sun abbreviated weekday name
** Sunday full weekday name
** May abbreviated month name
** May full month name
** 05/24/15 09:58:38 Date & Time
** 24 Day of the month
** 09 Hour (24)
** 09 Hour (12)
** 144 Day of the year
** 05 Month of the year
** 58 Minutes after hour
** AM AM or PM
** 38 Seconds after the hour
** 21 Week of the year (sun-sat)
** 0 day of the week
** 05/24/15 date
** 09:58:38 time
** 15 year of the century
** 2015 year
** Arab Standard Time time zone
** % percent sign
*/
See TimeList()
</pre></div>
</div>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>See "Day Name : " + TimeList()[2] # Sunday
</pre></div>
</div>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>See "Month Name : " + TimeList()[4] # May
</pre></div>
</div>
</div>
<div class="section" id="adddays-function">
<span id="index-4"></span><h2>AddDays() Function<a class="headerlink" href="#adddays-function" title="Permalink to this headline">¶</a></h2>
<p>Syntax:</p>
<div class="highlight-none"><div class="highlight"><pre>AddDays(cDate,nDays) ---> Date from cDate and after nDays
</pre></div>
</div>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>cDate = date()
see cDate + nl # 24/05/2015
cDate = adddays(cDate,10)
see cDate + nl # 03/06/2015
</pre></div>
</div>
</div>
<div class="section" id="diffdays-function">
<span id="index-5"></span><h2>DiffDays() Function<a class="headerlink" href="#diffdays-function" title="Permalink to this headline">¶</a></h2>
<p>Syntax:</p>
<div class="highlight-none"><div class="highlight"><pre>DiffDays(cDate1,cDate2) ---> number of days (Date1 - Date2)
</pre></div>
</div>
<p>Example:</p>
<div class="highlight-none"><div class="highlight"><pre>cDate1 = date()
see cDate1 + nl # 24/05/2015
cDate2 = adddays(cDate1,10)
see cDate2 + nl # 03/06/2015
see "DiffDays = " + diffdays(cDate1,cDate2) + nl # -10
see "DiffDays = " + diffdays(cDate2,cDate1) + nl # 10
</pre></div>
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<ul>
<li><a class="reference internal" href="#">Date and Time</a><ul>
<li><a class="reference internal" href="#clock-function">Clock() Function</a></li>
<li><a class="reference internal" href="#time-function">Time() Function</a></li>
<li><a class="reference internal" href="#date-function">Date() Function</a></li>
<li><a class="reference internal" href="#timelist-function">TimeList() Function</a></li>
<li><a class="reference internal" href="#adddays-function">AddDays() Function</a></li>
<li><a class="reference internal" href="#diffdays-function">DiffDays() Function</a></li>
</ul>
</li>
</ul>
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