* **Module 'datetime' provides 'date' `<D>`, 'time' `<T>`, 'datetime' `<DT>` and 'timedelta' `<TD>` classes. All are immutable and hashable.**

* **Time and datetime can be 'aware' `<a>`, meaning they have defined timezone, or 'naive' `<n>`, meaning they don't.**

from datetime import date, time, datetime, timedelta

<div><h2 id="datetime"><a href="#datetime" name="datetime">#</a>Datetime</h2><ul>

<li><strong>Module 'datetime' provides 'date' <code class="apache hljs"><span class="hljs-section">&lt;D&gt;</span></code>, 'time' <code class="apache hljs"><span class="hljs-section">&lt;T&gt;</span></code>, 'datetime' <code class="apache hljs"><span class="hljs-section">&lt;DT&gt;</span></code> and 'timedelta' <code class="apache hljs"><span class="hljs-section">&lt;TD&gt;</span></code> classes. All are immutable and hashable.</strong></li>

<li><strong>Time and datetime can be 'aware' <code class="apache hljs"><span class="hljs-section">&lt;a&gt;</span></code>, meaning they have defined timezone, or 'naive' <code class="apache hljs"><span class="hljs-section">&lt;n&gt;</span></code>, meaning they don't.</strong></li>

</ul><pre><code class="python language-python hljs"><span class="hljs-keyword">from</span> datetime <span class="hljs-keyword">import</span> date, time, datetime, timedelta

<span class="hljs-keyword">from</span> dateutil.tz <span class="hljs-keyword">import</span> UTC, tzlocal, gettz, resolve_imaginary