diff --git a/tests/valid/docfile.html b/tests/valid/docfile.html
index 84e8f396..a1015cfd 100644
--- a/tests/valid/docfile.html
+++ b/tests/valid/docfile.html
@@ -24,7 +24,7 @@
 <thead><tr>
 <td class="left"></td>
 <td class="center">Xml2rfc Vocabulary V3 Schema</td>
-<td class="right">August 2023</td>
+<td class="right">September 2023</td>
 </tr></thead>
 <tfoot><tr>
 <td class="left">xml2rfc(1)</td>
@@ -39,7 +39,7 @@
 <dd class="workgroup">xml2rfc(1)</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2023-08-21" class="published">21 August 2023</time>
+<time datetime="2023-09-22" class="published">22 September 2023</time>
     </dd>
 <dt class="label-authors">Author:</dt>
 <dd class="authors">
diff --git a/tests/valid/draft-miek-test.html b/tests/valid/draft-miek-test.html
index 359cf1f9..15b29508 100644
--- a/tests/valid/draft-miek-test.html
+++ b/tests/valid/draft-miek-test.html
@@ -33,7 +33,7 @@
     intervaltree 3.1.0
     Jinja2 3.1.2
     lxml 4.9.3
-    platformdirs 3.9.1
+    platformdirs 3.10.0
     pycountry 22.3.5
     PyYAML 6.0.1
     requests 2.31.0
diff --git a/tests/valid/draft-template.html b/tests/valid/draft-template.html
index 080dd8f0..ef3c9ce7 100644
--- a/tests/valid/draft-template.html
+++ b/tests/valid/draft-template.html
@@ -22,7 +22,7 @@
     intervaltree 3.1.0
     Jinja2 3.1.2
     lxml 4.9.3
-    platformdirs 3.9.1
+    platformdirs 3.10.0
     pycountry 22.3.5
     PyYAML 6.0.1
     requests 2.31.0
diff --git a/tests/valid/indexes.pages.text b/tests/valid/indexes.pages.text
index d5ae368a..801c6f42 100644
--- a/tests/valid/indexes.pages.text
+++ b/tests/valid/indexes.pages.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                           August 30, 2023
+Internet-Draft                                        September 22, 2023
 Intended status: Experimental                                           
-Expires: March 2, 2024
+Expires: March 25, 2024
 
 
                           xml2rfc index tests
@@ -26,7 +26,7 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on March 2, 2024.
+   This Internet-Draft will expire on March 25, 2024.
 
 Copyright Notice
 
@@ -53,9 +53,9 @@ Table of Contents
 
 
 
-Person                    Expires March 2, 2024                 [Page 1]
+Person                   Expires March 25, 2024                 [Page 1]
 
-Internet-Draft             xml2rfc index tests               August 2023
+Internet-Draft             xml2rfc index tests            September 2023
 
 
    This is another section!
@@ -109,9 +109,9 @@ Index
 
 
 
-Person                    Expires March 2, 2024                 [Page 2]
+Person                   Expires March 25, 2024                 [Page 2]
 
-Internet-Draft             xml2rfc index tests               August 2023
+Internet-Draft             xml2rfc index tests            September 2023
 
 
       E
@@ -165,4 +165,4 @@ Author's Address
 
 
 
-Person                    Expires March 2, 2024                 [Page 3]
+Person                   Expires March 25, 2024                 [Page 3]
diff --git a/tests/valid/indexes.prepped.xml b/tests/valid/indexes.prepped.xml
index 8e9b9b28..cd04d7ce 100644
--- a/tests/valid/indexes.prepped.xml
+++ b/tests/valid/indexes.prepped.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="indexes-00" indexInclude="true" prepTime="2023-08-30T08:01:10" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
+<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="indexes-00" indexInclude="true" prepTime="2023-09-22T11:10:28" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
   <!-- xml2rfc v2v3 conversion 3.18.0 -->
   
     
@@ -20,7 +20,7 @@
         </postal>
       </address>
     </author>
-    <date day="30" month="08" year="2023"/>
+    <date day="22" month="09" year="2023"/>
     <boilerplate>
       <section anchor="status-of-memo" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.1">
         <name slugifiedName="name-status-of-this-memo">Status of This Memo</name>
@@ -41,7 +41,7 @@
         material or to cite them other than as "work in progress."
         </t>
         <t indent="0" pn="section-boilerplate.1-4">
-        This Internet-Draft will expire on 2 March 2024.
+        This Internet-Draft will expire on 25 March 2024.
         </t>
       </section>
       <section anchor="copyright" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.2">
diff --git a/tests/valid/indexes.text b/tests/valid/indexes.text
index 9124f2f7..9a8d92ef 100644
--- a/tests/valid/indexes.text
+++ b/tests/valid/indexes.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                           August 30, 2023
+Internet-Draft                                        September 22, 2023
 Intended status: Experimental                                           
-Expires: March 2, 2024
+Expires: March 25, 2024
 
 
                           xml2rfc index tests
@@ -26,7 +26,7 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on March 2, 2024.
+   This Internet-Draft will expire on March 25, 2024.
 
 Copyright Notice
 
diff --git a/tests/valid/indexes.v3.html b/tests/valid/indexes.v3.html
index f01c4b89..fb34e6b0 100644
--- a/tests/valid/indexes.v3.html
+++ b/tests/valid/indexes.v3.html
@@ -19,11 +19,11 @@
 <thead><tr>
 <td class="left">Internet-Draft</td>
 <td class="center">xml2rfc index tests</td>
-<td class="right">August 2023</td>
+<td class="right">September 2023</td>
 </tr></thead>
 <tfoot><tr>
 <td class="left">Person</td>
-<td class="center">Expires March 2, 2024</td>
+<td class="center">Expires March 25, 2024</td>
 <td class="right">[Page]</td>
 </tr></tfoot>
 </table>
@@ -36,12 +36,12 @@
 <dd class="internet-draft">indexes-00</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2023-08-30" class="published">August 30, 2023</time>
+<time datetime="2023-09-22" class="published">September 22, 2023</time>
     </dd>
 <dt class="label-intended-status">Intended Status:</dt>
 <dd class="intended-status">Experimental</dd>
 <dt class="label-expires">Expires:</dt>
-<dd class="expires"><time datetime="2024-03-02">March 2, 2024</time></dd>
+<dd class="expires"><time datetime="2024-03-25">March 25, 2024</time></dd>
 <dt class="label-authors">Author:</dt>
 <dd class="authors">
 <div class="author">
@@ -71,7 +71,7 @@ <h2 id="name-status-of-this-memo">
         time. It is inappropriate to use Internet-Drafts as reference
         material or to cite them other than as "work in progress."<a href="#section-boilerplate.1-3" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.1-4">
-        This Internet-Draft will expire on March 2, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
+        This Internet-Draft will expire on March 25, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
 </section>
 </div>
 <div id="copyright">
diff --git a/tests/valid/manpage.txt b/tests/valid/manpage.txt
index d676d58a..d5e85e72 100644
--- a/tests/valid/manpage.txt
+++ b/tests/valid/manpage.txt
@@ -1,5 +1,5 @@
 xml2rfc(1)                                                    xml2rfc(1)
-                                                          30 August 2023
+                                                       22 September 2023
 
 
                   Xml2rfc Vocabulary Version 3 Schema
diff --git a/tests/valid/rfc7911.html b/tests/valid/rfc7911.html
index 7f20036b..22bcfe34 100644
--- a/tests/valid/rfc7911.html
+++ b/tests/valid/rfc7911.html
@@ -17,6 +17,7 @@
       address prefix. 
     " name="description">
 <meta content="xml2rfc 3.18.0" name="generator">
+<meta content="2023-09-22T11:16Z" name="created">
 <meta content="7911" name="rfc.number">
 <!-- Generator version information:
   xml2rfc 3.18.0
@@ -26,7 +27,7 @@
     intervaltree 3.1.0
     Jinja2 3.1.2
     lxml 4.9.3
-    platformdirs 3.9.1
+    platformdirs 3.10.0
     pycountry 22.3.5
     PyYAML 6.0.1
     requests 2.31.0
diff --git a/tests/valid/rfc7911.v3.html b/tests/valid/rfc7911.v3.html
index c0a81228..b16cad27 100644
--- a/tests/valid/rfc7911.v3.html
+++ b/tests/valid/rfc7911.v3.html
@@ -17,6 +17,7 @@
       address prefix. 
     " name="description">
 <meta content="xml2rfc 3.18.0" name="generator">
+<meta content="2023-09-22T11:16Z" name="created">
 <meta content="7911" name="rfc.number">
 <link href="tests/input/rfc7911.xml" rel="alternate" type="application/rfc+xml">
 <link href="#copyright" rel="license">
diff --git a/tests/valid/rfc9001.canonical.html b/tests/valid/rfc9001.canonical.html
index ff88db9b..8cdbb3a9 100644
--- a/tests/valid/rfc9001.canonical.html
+++ b/tests/valid/rfc9001.canonical.html
@@ -11,7 +11,8 @@
        This document describes how Transport Layer Security (TLS) is used to secure
 QUIC. 
     " name="description">
-<meta content="xml2rfc 3.15.2" name="generator">
+<meta content="xml2rfc 3.18.0" name="generator">
+<meta content="2023-09-22T11:22Z" name="created">
 <meta content="crypto" name="keyword">
 <meta content="opportunistic encryption" name="keyword">
 <meta content="plaintext quic" name="keyword">
diff --git a/tests/valid/sourcecode.pages.text b/tests/valid/sourcecode.pages.text
index 813d1a8b..ee23827f 100644
--- a/tests/valid/sourcecode.pages.text
+++ b/tests/valid/sourcecode.pages.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                           August 30, 2023
+Internet-Draft                                        September 22, 2023
 Intended status: Experimental                                           
-Expires: March 2, 2024
+Expires: March 25, 2024
 
 
                         xml2rfc sourcecode tests
@@ -26,7 +26,7 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on March 2, 2024.
+   This Internet-Draft will expire on March 25, 2024.
 
 Copyright Notice
 
@@ -53,9 +53,9 @@ Table of Contents
 
 
 
-Person                    Expires March 2, 2024                 [Page 1]
+Person                   Expires March 25, 2024                 [Page 1]
 
-Internet-Draft          xml2rfc sourcecode tests             August 2023
+Internet-Draft          xml2rfc sourcecode tests          September 2023
 
 
    print("01")
@@ -109,9 +109,9 @@ Internet-Draft          xml2rfc sourcecode tests             August 2023
 
 
 
-Person                    Expires March 2, 2024                 [Page 2]
+Person                   Expires March 25, 2024                 [Page 2]
 
-Internet-Draft          xml2rfc sourcecode tests             August 2023
+Internet-Draft          xml2rfc sourcecode tests          September 2023
 
 
    print("49")
@@ -165,9 +165,9 @@ Internet-Draft          xml2rfc sourcecode tests             August 2023
 
 
 
-Person                    Expires March 2, 2024                 [Page 3]
+Person                   Expires March 25, 2024                 [Page 3]
 
-Internet-Draft          xml2rfc sourcecode tests             August 2023
+Internet-Draft          xml2rfc sourcecode tests          September 2023
 
 
    print("47")
@@ -221,4 +221,4 @@ Author's Address
 
 
 
-Person                    Expires March 2, 2024                 [Page 4]
+Person                   Expires March 25, 2024                 [Page 4]
diff --git a/tests/valid/sourcecode.prepped.xml b/tests/valid/sourcecode.prepped.xml
index 1bb32c6b..16954d45 100644
--- a/tests/valid/sourcecode.prepped.xml
+++ b/tests/valid/sourcecode.prepped.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="sourcecode-00" prepTime="2023-08-30T08:01:18" indexInclude="true" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
+<rfc xmlns:xi="http://www.w3.org/2001/XInclude" version="3" sortRefs="true" category="exp" submissionType="independent" ipr="trust200902" docName="sourcecode-00" prepTime="2023-09-22T11:10:35" indexInclude="true" scripts="Common,Latin" symRefs="true" tocDepth="3" tocInclude="true">
   <!-- xml2rfc v2v3 conversion 3.18.0 -->
   
     
@@ -20,7 +20,7 @@
         </postal>
       </address>
     </author>
-    <date day="30" month="08" year="2023"/>
+    <date day="22" month="09" year="2023"/>
     <boilerplate>
       <section anchor="status-of-memo" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.1">
         <name slugifiedName="name-status-of-this-memo">Status of This Memo</name>
@@ -41,7 +41,7 @@
         material or to cite them other than as "work in progress."
         </t>
         <t indent="0" pn="section-boilerplate.1-4">
-        This Internet-Draft will expire on 2 March 2024.
+        This Internet-Draft will expire on 25 March 2024.
         </t>
       </section>
       <section anchor="copyright" numbered="false" removeInRFC="false" toc="exclude" pn="section-boilerplate.2">
diff --git a/tests/valid/sourcecode.text b/tests/valid/sourcecode.text
index 04cbceac..d4bb2d4a 100644
--- a/tests/valid/sourcecode.text
+++ b/tests/valid/sourcecode.text
@@ -3,9 +3,9 @@
 
 
 Network Working Group                                     H. Person, Ed.
-Internet-Draft                                           August 30, 2023
+Internet-Draft                                        September 22, 2023
 Intended status: Experimental                                           
-Expires: March 2, 2024
+Expires: March 25, 2024
 
 
                         xml2rfc sourcecode tests
@@ -26,7 +26,7 @@ Status of This Memo
    time.  It is inappropriate to use Internet-Drafts as reference
    material or to cite them other than as "work in progress."
 
-   This Internet-Draft will expire on March 2, 2024.
+   This Internet-Draft will expire on March 25, 2024.
 
 Copyright Notice
 
diff --git a/tests/valid/sourcecode.v3.html b/tests/valid/sourcecode.v3.html
index 77860244..18a9da81 100644
--- a/tests/valid/sourcecode.v3.html
+++ b/tests/valid/sourcecode.v3.html
@@ -19,11 +19,11 @@
 <thead><tr>
 <td class="left">Internet-Draft</td>
 <td class="center">xml2rfc sourcecode tests</td>
-<td class="right">August 2023</td>
+<td class="right">September 2023</td>
 </tr></thead>
 <tfoot><tr>
 <td class="left">Person</td>
-<td class="center">Expires March 2, 2024</td>
+<td class="center">Expires March 25, 2024</td>
 <td class="right">[Page]</td>
 </tr></tfoot>
 </table>
@@ -36,12 +36,12 @@
 <dd class="internet-draft">sourcecode-00</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2023-08-30" class="published">August 30, 2023</time>
+<time datetime="2023-09-22" class="published">September 22, 2023</time>
     </dd>
 <dt class="label-intended-status">Intended Status:</dt>
 <dd class="intended-status">Experimental</dd>
 <dt class="label-expires">Expires:</dt>
-<dd class="expires"><time datetime="2024-03-02">March 2, 2024</time></dd>
+<dd class="expires"><time datetime="2024-03-25">March 25, 2024</time></dd>
 <dt class="label-authors">Author:</dt>
 <dd class="authors">
 <div class="author">
@@ -71,7 +71,7 @@ <h2 id="name-status-of-this-memo">
         time. It is inappropriate to use Internet-Drafts as reference
         material or to cite them other than as "work in progress."<a href="#section-boilerplate.1-3" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.1-4">
-        This Internet-Draft will expire on March 2, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
+        This Internet-Draft will expire on March 25, 2024.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
 </section>
 </div>
 <div id="copyright">
diff --git a/xml2rfc/writers/html.py b/xml2rfc/writers/html.py
index f9f9bff9..a32cae08 100644
--- a/xml2rfc/writers/html.py
+++ b/xml2rfc/writers/html.py
@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals, print_function, division
 
+import datetime
 import lxml
 import os
 import re
@@ -473,6 +474,11 @@ def render_rfc(self, h, x):
 
         generator = "%s %s" % (xml2rfc.NAME, xml2rfc.__version__)
         add.meta(head, None, name='generator', content=generator)
+
+    #    o  created - date created in UTC timezone using ISO format
+        current_time = datetime.datetime.now(datetime.timezone.utc)
+        created = current_time.isoformat(timespec="minutes").replace('+00:00', 'Z')
+        add.meta(head, None, name='created', content=created)
         
     #    o  keywords - comma-separated <keyword>s from the XML source