diff --git a/forms.tmpl b/forms.tmpl
index 4419486..3b60cca 100644
--- a/forms.tmpl
+++ b/forms.tmpl
@@ -59,7 +59,10 @@
     #  "(select creation from post where id = (select max(id) from post where thread = ?)))"), %threadId)
     #let timeStr = formatTimestamp(latestReplyDate.parseInt())
     <div class="activity">
-      <div>$timeStr</div>
+      <div>
+        <span class="isoDate">$timeStr</span>
+        $timeStr
+      </div>
     </div>
   </div>
 #  end for
diff --git a/forum.nim b/forum.nim
index 42da8f2..f5d9954 100644
--- a/forum.nim
+++ b/forum.nim
@@ -143,42 +143,9 @@ proc genButtons(c: var TForumData, btns: seq[TStyledButton]): string =
       result.add(("""<a class="$3active button" href="$1$4">$2</a>""") % [
         btns[i].link, btns[i].text, class, anchor])
 
-proc toInterval(diff: int64): TimeInterval =
-  var remaining = diff
-  let years = remaining div 31536000
-  remaining -= years * 31536000
-  let months = remaining div 2592000
-  remaining -= months * 2592000
-  let days = remaining div 86400
-  remaining -= days * 86400
-  let hours = remaining div 3600
-  remaining -= hours * 3600
-  let minutes = remaining div 60
-  remaining -= minutes * 60
-  #assert false
-  result = initInterval(0, remaining.int, minutes.int, hours.int, days.int,
-                        months.int, years.int)
-
 proc formatTimestamp(t: int): string =
   let t2 = TTime(t)
-  let now = getTime()
-  let diff = (now - t2).toInterval()
-  if diff.years > 0:
-    return getGMTime(t2).format("MMMM d',' yyyy")
-  elif diff.months > 0:
-    return $diff.months & (if diff.months > 1: " months ago" else: " month ago")
-  elif diff.days > 0:
-    return $diff.days & (if diff.days > 1: " days ago" else: " day ago")
-  elif diff.hours > 0:
-    return $diff.hours & (if diff.hours > 1: " hours ago" else: " hour ago")
-  elif diff.minutes > 0:
-    return $diff.minutes &
-        (if diff.minutes > 1: " minutes ago" else: " minute ago")
-  elif diff.seconds > 0:
-    return $diff.seconds &
-        (if diff.seconds > 1: " seconds ago" else: " second ago")
-  else:
-    return "less than a second ago"
+  return t2.getGMTime().format("yyyy-MM-dd'T'HH':'mm':'ss'Z'")
 
 proc getGravatarUrl(email: string, size = 80): string =
   let emailMD5 = email.toLower.toMD5
diff --git a/public/css/style.css b/public/css/style.css
index dceed6e..484e2e4 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -496,3 +496,8 @@ hr
 {
   border: 1px solid #3D3D3D;
 }
+
+.activity .isoDate
+{
+  display: none;
+}
diff --git a/public/js/forum.js b/public/js/forum.js
index 7af672b..2f354d3 100644
--- a/public/js/forum.js
+++ b/public/js/forum.js
@@ -2,4 +2,75 @@
 
 window.onload = function() {
   positionGlowArrow();
+  processMainDates();
+  window.setTimeout(performProcessingMainDates, 1000);
 };
+
+function performProcessingMainDates()
+{
+  if (processMainDates())
+  {
+    window.setTimeout(performProcessingMainDates, 1000);
+  }
+  else
+  {
+    window.setTimeout(performProcessingMainDates, 60000);
+  }
+}
+
+function timeSince(date) {
+    var result = ["", false];
+    var seconds = Math.floor((new Date() - date) / 1000);
+
+    var interval = Math.floor(seconds / 31536000);
+
+    if (interval >= 1) {
+        result[0] = interval + (interval == 1 ? " year ago" : " years ago");
+        return result;
+    }
+    interval = Math.floor(seconds / 2592000);
+    if (interval >= 1) {
+        result[0] = interval + (interval == 1 ? " month ago" : " months ago");
+        return result;
+    }
+    interval = Math.floor(seconds / 86400);
+    if (interval >= 1) {
+        result[0] = interval + (interval == 1 ? " day ago" : " days ago");
+        return result;
+    }
+    interval = Math.floor(seconds / 3600);
+    if (interval >= 1) {
+        result[0] = interval + (interval == 1 ? " hour ago" : " hours ago");
+        return result;
+    }
+    interval = Math.floor(seconds / 60);
+    if (interval >= 1) {
+        result[0] = interval + (interval == 1 ? " minute ago" : " minutes ago");
+        return result;
+    }
+    if (seconds >= 1) {
+      result[0] = Math.floor(seconds) +
+          (seconds == 1 ? " second ago" : " seconds ago");
+      result[1] = true;
+      return result;
+    }
+    return ["less than a second ago", true];
+}
+
+function processMainDates() {
+  var result = false;
+  var threads = document.getElementById("talk-threads").children;
+  for (var i = 0; i < threads.length; i++)
+  {
+    var activity = threads[i].getElementsByClassName("activity")[0];
+    var activityDiv = activity.children[0];
+    var isoDate = activityDiv.children[0].innerHTML;
+    var parsed = Date.parse(isoDate);
+    var timeS = timeSince(parsed);
+    
+    activityDiv.innerHTML = activityDiv.children[0].outerHTML +
+        timeS[0];
+    if (timeS[1]) { result = timeS[1] }
+  }
+  return result;
+}