Use publishdate from frontmatter as post date if available

layouts/_default/li.html

@@ -12,7 +12,7 @@
     </span>
 
     <span class="left post-date">
-        {{ .Date.Format .Site.Params.DateForm }}
+        {{ partial "publishdate-maybe" . }}
     </span>
 
     <span class="right">

layouts/_default/rss.xml

@@ -9,7 +9,7 @@
         {{ with .Site.LanguageCode }}<language>{{.}}</language>{{ end }}
         {{ with .Site.Author.name }}<author>{{.}}</author>{{ end }}
         {{ with .Site.Copyright }}<copyright>{{.}}</copyright>{{end}}
-        {{ if not .Date.IsZero }}<lastBuildDate>{{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</lastBuildDate>{{ end }}
+        <lastBuildDate>{{ now.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</lastBuildDate>
 
         <atom:link href="{{.URL}}" rel="self" type="application/rss+xml" />
 
@@ -19,7 +19,14 @@
         <item>
             <title>{{ .Title }}</title>
             <link>{{ .Permalink }}</link>
-            <pubDate>{{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</pubDate>
+            <pubDate>
+                {{ if eq (.PublishDate.Format "2006-01-02") "0001-01-01" }}
+                <!-- Print the Date instead of PublishDate if PublishDate is defined but at its initial value of Jan 1, 0001 -->
+                {{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}
+                {{ else }}
+                {{ .PublishDate.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}
+                {{ end }}
+            </pubDate>
             {{ with .Site.Author.name }}<author>{{.}}</author>{{ end }}
             <guid>{{ .Permalink }}</guid>
             <description>{{ .Content | html }}</description>

layouts/_default/single.html

@@ -2,7 +2,7 @@
 
 <div class="post">
     <h1 class="post-title">{{ .Title }}</h1>
-    <span class="post-date">{{ .Date.Format .Site.Params.DateForm }}</span>
+    <span class="post-date">{{ partial "publishdate-maybe" . }}</span>
     {{ .Content }}
 </div>
 

layouts/_default/summary.html

@@ -12,7 +12,7 @@
 <article class="summary">
     <header>
         <h1 class="post-title"><a href='{{ .Permalink }}'> {{ .Title }}</a> </h1>
-        <div class="post-date">{{ .Date.Format .Site.Params.DateForm }} - {{ .FuzzyWordCount }} Words</div>
+        <div class="post-date">{{ partial "publishdate-maybe" . }} - {{ .FuzzyWordCount }} Words</div>
     </header>
 
     <div class="post" >

layouts/partials/publishdate-maybe.html

+{{ with .PublishDate }}
+    {{ if eq ($.PublishDate.Format "2006-01-02") "0001-01-01" }}
+        <!-- Print the Date instead of PublishDate if PublishDate is defined but at its initial value of Jan 1, 0001 -->
+        {{ $.Date.Format $.Site.Params.DateForm }}
+    {{ else }}
+        {{ $.PublishDate.Format $.Site.Params.DateForm }}
+    {{ end }}
+{{ else }}
+    {{ $.Date.Format $.Site.Params.DateForm }}
+{{ end }}