diff --git a/docs/index.html b/docs/index.html
index 9bb6276a..a671f85e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -31,7 +31,7 @@
 		<meta property="og:locale" content="en-GB" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2020-09-23T03:42:08+00:00" />
+		<meta property="og:updated_time" content="2020-09-23T03:51:04+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
diff --git a/docs/ja-JP/index.html b/docs/ja-JP/index.html
index 7b7dc2fd..546f686b 100644
--- a/docs/ja-JP/index.html
+++ b/docs/ja-JP/index.html
@@ -33,7 +33,7 @@
 		<meta property="og:locale" content="ja-JP" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2020-09-23T03:42:08+00:00" />
+		<meta property="og:updated_time" content="2020-09-23T03:51:04+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
diff --git a/docs/news/2020-09-18.html b/docs/news/2020-09-18.html
index 23245c2b..44ebccdb 100644
--- a/docs/news/2020-09-18.html
+++ b/docs/news/2020-09-18.html
@@ -27,7 +27,7 @@
 		<meta property="og:locale" content="en-GB" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2020-09-18T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2020-09-23T03:42:08+00:00" />
+		<meta property="og:updated_time" content="2020-09-23T03:51:04+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
diff --git a/docs/news/index.html b/docs/news/index.html
index 9d91a720..3852e14c 100644
--- a/docs/news/index.html
+++ b/docs/news/index.html
@@ -26,7 +26,7 @@
 		<meta property="og:description" content="" />
 		<meta property="og:locale" content="en-GB" />
 		<meta property="og:type" content="article" />
-		<meta property="og:published_time" content="undefinedT12:00:00+00:00" />
+		<meta property="og:published_time" content="Tue Sep 22 2020 20:51:04 GMT-0700 (Pacific Daylight Time)" />
 		<meta property="og:updated_time" content="" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
diff --git a/docs/news/rss.xml b/docs/news/rss.xml
index 42e96173..1dd93a6a 100644
--- a/docs/news/rss.xml
+++ b/docs/news/rss.xml
@@ -6,7 +6,7 @@
   <atom:link href="https://pomax.github.io/bezierinfo" rel="self"></atom:link>
   <description>News updates for the <a href="https://pomax.github.io/bezierinfo">primer on Bézier Curves</a> by Pomax</description>
   <language>en-GB</language>
-  <lastBuildDate>undefinedT12:00:00+00:00</lastBuildDate>
+  <lastBuildDate>Tue Sep 22 2020 20:51:04 GMT-0700 (Pacific Daylight Time)</lastBuildDate>
   <image>
     <url>https://pomax.github.io/bezierinfo/images/og-image.png</url>
     <title>A Primer on Bézier Curves</title>
diff --git a/docs/zh-CN/index.html b/docs/zh-CN/index.html
index 52fcba68..2bd78cde 100644
--- a/docs/zh-CN/index.html
+++ b/docs/zh-CN/index.html
@@ -33,7 +33,7 @@
 		<meta property="og:locale" content="zh-CN" />
 		<meta property="og:type" content="article" />
 		<meta property="og:published_time" content="2013-06-13T12:00:00+00:00" />
-		<meta property="og:updated_time" content="2020-09-23T03:42:08+00:00" />
+		<meta property="og:updated_time" content="2020-09-23T03:51:04+00:00" />
 		<meta property="og:author" content="Mike 'Pomax' Kamermans" />
 		<meta property="og:section" content="Bézier Curves" />
 		<meta property="og:tag" content="Bézier Curves" />
diff --git a/src/build/create-news-pages.js b/src/build/create-news-pages.js
index bd0fcbd0..e34155f5 100644
--- a/src/build/create-news-pages.js
+++ b/src/build/create-news-pages.js
@@ -86,7 +86,7 @@ function generateNewsIndex(details) {
     base,
     details,
     locale,
-    publishTime: `${details.postDate}T12:00:00+00:00`,
+    publishTime: new Date(),
   };
   const index = nunjucks.render(`news.template.html`, renderContext);
   fs.writeFileSync(path.join(paths.news, `index.html`), index, `utf8`);
@@ -98,7 +98,7 @@ function generateNewsIndex(details) {
 function generateRSSFeed(details) {
   const renderContext = {
     items: details,
-    buildDate: `${details.postDate}T12:00:00+00:00`,
+    buildDate: new Date(),
   };
   const index = nunjucks.render(`rss.template.xml`, renderContext);
   fs.writeFileSync(path.join(paths.news, `rss.xml`), index, `utf8`);