diff --git a/layouts/partials/seo/structured/article.html b/layouts/partials/seo/structured/article.html
index b828456c..c92284ea 100644
--- a/layouts/partials/seo/structured/article.html
+++ b/layouts/partials/seo/structured/article.html
@@ -9,8 +9,8 @@
   "description" : "{{ if .Description }}{{ .Description | plainify }}{{ else }}{{if .IsPage}}{{ .Summary | plainify  }}{{ end }}{{ end }}",
   "inLanguage" : "{{ .Lang }}",
   "wordCount": {{ .WordCount }},
-  "datePublished" : "{{ .PublishDate.Format "2006-01-02T15:04:05" }}",
-  "dateModified" : "{{ .Date.Format "2006-01-02T15:04:05"  }}",
+  "datePublished" : "{{ .PublishDate.Format "2006-01-02T15:04:05-07:00" }}",
+  "dateModified" : "{{ .Lastmod.Format "2006-01-02T15:04:05-07:00"  }}",
   "image" : "{{ .Site.Params.logo | absURL }}",
   "keywords" : [ "{{ range $i, $e := .Params.tags }}{{ if $i }}, {{ end }}{{ $e }}{{ end }}" ],
   "mainEntityOfPage" : "{{ .Permalink }}",
@@ -25,4 +25,4 @@
     }
   }
 }
-</script>
\ No newline at end of file
+</script>