diff --git a/tz.html b/tz.html
index 3a76718..7b4897f 100644
--- a/tz.html
+++ b/tz.html
@@ -1565,6 +1565,7 @@ public:
     zoned_time(const zoned_time&) = default;
     zoned_time& operator=(const zoned_time&) = default;
 
+             zoned_time();
              zoned_time(sys_time<Duration> st);
     explicit zoned_time(const time_zone* z);
     explicit zoned_time(const std::string& name);
@@ -1642,6 +1643,17 @@ members.
 </p>
 </blockquote>
 
+<pre>
+zoned_time&lt;Duration&gt;::zoned_time();
+</pre>
+<blockquote>
+<p>
+<i>Effects:</i> Constructs a <code>zoned_time</code> <code>zt</code> such that
+<code>zt.get_time_zone()-&gt;name() == "UTC"</code>, and
+<code>zt.get_sys_time() == sys_seconds{}</code>.
+</p>
+</blockquote>
+
 <pre>
 zoned_time&lt;Duration&gt;::zoned_time(sys_time&lt;Duration&gt; st);
 </pre>