e traits provided by the library use <code class="computeroutput">boost::posix_time::ptime</code> as the time type.</p>
<p>Time traits also determine the way time is acquired. There are two types of time traits provided by the library: <code class="computeroutput"><a class="link" href="utc_time_traits.html" title="Struct utc_time_traits">utc_time_traits</a></code> and <code class="computeroutput"><a class="link" href="local_time_traits.html" title="Struct local_time_traits">local_time_traits</a></code>. The