diff --git a/public/javascripts/app/models/post.js b/public/javascripts/app/models/post.js
index c7ad731c6..1a27b5a8a 100644
--- a/public/javascripts/app/models/post.js
+++ b/public/javascripts/app/models/post.js
@@ -21,7 +21,31 @@ app.models.Post = Backbone.Model.extend({
   },
 
   timeOf: function(field) {
-    return new Date(this.get(field)) /1000;
+    var timestamp = new Date(this.get(field)) /1000;
+
+    if (isNaN(timestamp)) {
+	timestamp = this.legacyTimeOf(field);
+    }
+
+    return timestamp;
+  },
+
+  legacyTimeOf: function(field) {
+    var iso8601_utc_pattern = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(.(\d{3}))?Z$/;
+    var time_components = this.get(field).match(iso8601_utc_pattern);
+    var timestamp = 0;
+
+    if (time_components != null) {
+      if (time_components[8] == undefined) {
+        time_components[8] = 0;
+      }
+
+      timestamp = Date.UTC(time_components[1], time_components[2] - 1, time_components[3],
+                           time_components[4], time_components[5], time_components[6],
+                           time_components[8]);
+    }
+
+    return timestamp /1000;
   },
 
   createReshareUrl : "/reshares",
diff --git a/spec/javascripts/app/views/post_view_spec.js b/spec/javascripts/app/views/post_view_spec.js
index 9eb66d9a2..17080155a 100644
--- a/spec/javascripts/app/views/post_view_spec.js
+++ b/spec/javascripts/app/views/post_view_spec.js
@@ -119,5 +119,13 @@ describe("app.views.Post", function(){
       })
     })
 
+    context("legacy browsers", function(){
+      it("supports iso8501 utc timestamps", function(){
+        var timestamp = new Date(this.statusMessage.get("created_at")) /1000;
+
+        expect(this.statusMessage.legacyTimeOf("created_at")).toEqual(timestamp);
+      })
+    })
+
   })
 });