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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<title>Example: Dates and Times in Excel — XlsxWriter Documentation</title>
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<div class="section" id="example-dates-and-times-in-excel">
<span id="ex-datetimes"></span><h1>Example: Dates and Times in Excel</h1>
<p>This program is an example of writing some of the features of the
XlsxWriter module. See the <a class="reference internal" href="working_with_dates_and_time.html#working-with-dates-and-time"><em>Working with Dates and Time</em></a> section for
more details on this example.</p>
<img alt="_images/working_with_dates_and_times02.png" src="_images/working_with_dates_and_times02.png" />
<div class="highlight-python"><div class="highlight"><pre><span class="c">##############################################################################</span>
<span class="c">#</span>
<span class="c"># A simple program to write some dates and times to an Excel file</span>
<span class="c"># using the XlsxWriter Python module.</span>
<span class="c">#</span>
<span class="c"># Copyright 2013, John McNamara, jmcnamara@cpan.org</span>
<span class="c">#</span>
<span class="kn">from</span> <span class="nn">datetime</span> <span class="kn">import</span> <span class="n">datetime</span>
<span class="kn">from</span> <span class="nn">xlsxwriter.workbook</span> <span class="kn">import</span> <span class="n">Workbook</span>
<span class="c"># Create a workbook and add a worksheet.</span>
<span class="n">workbook</span> <span class="o">=</span> <span class="n">Workbook</span><span class="p">(</span><span class="s">'datetimes.xlsx'</span><span class="p">)</span>
<span class="n">worksheet</span> <span class="o">=</span> <span class="n">workbook</span><span class="o">.</span><span class="n">add_worksheet</span><span class="p">()</span>
<span class="n">bold</span> <span class="o">=</span> <span class="n">workbook</span><span class="o">.</span><span class="n">add_format</span><span class="p">({</span><span class="s">'bold'</span><span class="p">:</span> <span class="bp">True</span><span class="p">})</span>
<span class="c"># Expand the first columns so that the date is visible.</span>
<span class="n">worksheet</span><span class="o">.</span><span class="n">set_column</span><span class="p">(</span><span class="s">'A:B'</span><span class="p">,</span> <span class="mi">30</span><span class="p">)</span>
<span class="c"># Write the column headers.</span>
<span class="n">worksheet</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s">'A1'</span><span class="p">,</span> <span class="s">'Formatted date'</span><span class="p">,</span> <span class="n">bold</span><span class="p">)</span>
<span class="n">worksheet</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s">'B1'</span><span class="p">,</span> <span class="s">'Format'</span><span class="p">,</span> <span class="n">bold</span><span class="p">)</span>
<span class="c"># Create a datetime object to use in the examples.</span>
<span class="n">date_time</span> <span class="o">=</span> <span class="n">datetime</span><span class="o">.</span><span class="n">strptime</span><span class="p">(</span><span class="s">'2013-01-23 12:30:05.123'</span><span class="p">,</span>
<span class="s">'%Y-%m-</span><span class="si">%d</span><span class="s"> %H:%M:%S.</span><span class="si">%f</span><span class="s">'</span><span class="p">)</span>
<span class="c"># Examples date and time formats. In the output file compare how changing</span>
<span class="c"># the format codes change the appearance of the date.</span>
<span class="n">date_formats</span> <span class="o">=</span> <span class="p">(</span>
<span class="s">'dd/mm/yy'</span><span class="p">,</span>
<span class="s">'mm/dd/yy'</span><span class="p">,</span>
<span class="s">'dd m yy'</span><span class="p">,</span>
<span class="s">'d mm yy'</span><span class="p">,</span>
<span class="s">'d mmm yy'</span><span class="p">,</span>
<span class="s">'d mmmm yy'</span><span class="p">,</span>
<span class="s">'d mmmm yyy'</span><span class="p">,</span>
<span class="s">'d mmmm yyyy'</span><span class="p">,</span>
<span class="s">'dd/mm/yy hh:mm'</span><span class="p">,</span>
<span class="s">'dd/mm/yy hh:mm:ss'</span><span class="p">,</span>
<span class="s">'dd/mm/yy hh:mm:ss.000'</span><span class="p">,</span>
<span class="s">'hh:mm'</span><span class="p">,</span>
<span class="s">'hh:mm:ss'</span><span class="p">,</span>
<span class="s">'hh:mm:ss.000'</span><span class="p">,</span>
<span class="p">)</span>
<span class="c"># Start from first row after headers.</span>
<span class="n">row</span> <span class="o">=</span> <span class="mi">1</span>
<span class="c"># Write the same date and time using each of the above formats.</span>
<span class="k">for</span> <span class="n">date_format_str</span> <span class="ow">in</span> <span class="n">date_formats</span><span class="p">:</span>
<span class="c"># Create a format for the date or time.</span>
<span class="n">date_format</span> <span class="o">=</span> <span class="n">workbook</span><span class="o">.</span><span class="n">add_format</span><span class="p">({</span><span class="s">'num_format'</span><span class="p">:</span> <span class="n">date_format_str</span><span class="p">,</span>
<span class="s">'align'</span><span class="p">:</span> <span class="s">'left'</span><span class="p">})</span>
<span class="c"># Write the same date using different formats.</span>
<span class="n">worksheet</span><span class="o">.</span><span class="n">write_datetime</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">date_time</span><span class="p">,</span> <span class="n">date_format</span><span class="p">)</span>
<span class="c"># Also write the format string for comparison.</span>
<span class="n">worksheet</span><span class="o">.</span><span class="n">write_string</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">date_format_str</span><span class="p">)</span>
<span class="n">row</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="n">workbook</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
</pre></div>
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