diff --git a/layouts/partials/archive.html b/layouts/partials/archive.html
index ef270e5..abda6f5 100644
--- a/layouts/partials/archive.html
+++ b/layouts/partials/archive.html
@@ -12,11 +12,13 @@
 </header>
 
 {{ range $pages }}
+{{- $postDate := .Date.Format "2006-01-02" }}
+{{- $updateDate := .Lastmod.Format "2006-01-02" }}
 <article class="post">
   <header class="post__header">
       <h1><a href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h1>
       <p class="post__meta">
-          <span class="date">{{ .Date.Format "2 January 2006" }}</span>
+          <span class="date">{{ $postDate }}{{- if ne $postDate $updateDate }} [{{ $updateDate }}]{{ end }}</span>
       </p>
   </header>
 
diff --git a/layouts/partials/aside.html b/layouts/partials/aside.html
index 2311e32..dfad4c5 100644
--- a/layouts/partials/aside.html
+++ b/layouts/partials/aside.html
@@ -1,8 +1,9 @@
-{{ if or (.Params.description) (.Params.author) (.Params.date) }}
+{{- $postDate := .Date.Format "2006-01-02" }}
+{{- $updateDate := .Lastmod.Format "2006-01-02" }}
+{{ if or (.Params.description) (.Params.date) }}
   {{ if .Params.description }}<p>{{ .Params.description }}</p>{{ end }}
   <p>
-    {{ if .Params.author }}By {{ .Params.author }}{{ if .Date }}, {{ end }}{{ end }}
-    {{ if .Date }}{{ .Date.Format "2006-01-02" }}{{ end }}
+    {{ with $postDate }}{{ . }}{{ end }}{{- if ne $postDate $updateDate }} [{{ $updateDate }}]{{ end }}
   </p>
   <p>
   {{- with .Params.tags -}}