diff --git a/app/assets/javascripts/discourse/lib/formatter.js b/app/assets/javascripts/discourse/lib/formatter.js
index f2688a2e457..3885eeabcfe 100644
--- a/app/assets/javascripts/discourse/lib/formatter.js
+++ b/app/assets/javascripts/discourse/lib/formatter.js
@@ -80,9 +80,9 @@ longDateNoYear = function(dt) {
   if (!dt) return;
 
   if ((new Date()).getFullYear() !== dt.getFullYear()) {
-    return moment(dt).format("MMM D, 'YY LT");
+    return moment(dt).format(I18n.t("dates.long_date_with_year"));
   } else {
-    return moment(dt).format("MMM D, LT");
+    return moment(dt).format(I18n.t("dates.long_date_without_year"));
   }
 };
 
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index ce7a7811b9b..7fe3c5299ce 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -35,6 +35,8 @@ en:
       long_no_year_no_time: "MMM D"
       long_with_year: "MMM D, YYYY h:mm a"
       long_with_year_no_time: "MMM D, YYYY"
+      long_date_with_year: "MMM D, 'YY LT"
+      long_date_without_year: "MMM D, LT"
       tiny:
         half_a_minute: "< 1m"
         less_than_x_seconds: