rono::steady_clock::now() + std::chrono::seconds(60));

// Start an asynchronous wait.
timer.async_wait(handler);
</pre>
<h5>
<a name="boost_asio.reference.steady_timer.h5"></a>
        <span class="phrase"><a name="boost_asio.reference.steady_timer.changing_an_active_waitable_timer_s_expiry_time"></a></span><a class="link" href="steady_timer.html#boost_asio.reference.steady_timer.changing_an_active_waitable_timer_s_expiry_time">Changing
        an active waitable timer's expiry time</a>
      </h5>
<p>
   