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<span id="routines-datetime"></span><h1>Datetime support functions<a class="headerlink" href="#datetime-support-functions" title="Link to this heading">#</a></h1>
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<tr class="row-odd"><td><p><a class="reference internal" href="generated/numpy.datetime_as_string.html#numpy.datetime_as_string" title="numpy.datetime_as_string"><code class="xref py py-obj docutils literal notranslate"><span class="pre">datetime_as_string</span></code></a>(arr[, unit, timezone, ...])</p></td>
<td><p>Convert an array of datetimes into an array of strings.</p></td>
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<td><p>Get information about the step size of a date or time type.</p></td>
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<td><p>A business day calendar object that efficiently stores information defining valid days for the busday family of functions.</p></td>
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<td><p>Calculates which of the given dates are valid days, and which are not.</p></td>
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<td><p>Counts the number of valid days between <em class="xref py py-obj">begindates</em> and <em class="xref py py-obj">enddates</em>, not including the day of <em class="xref py py-obj">enddates</em>.</p></td>
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