diff --git a/index.html b/index.html
index 2cc9996..7b07ccb 100644
--- a/index.html
+++ b/index.html
@@ -24,6 +24,8 @@
 </html>
 <script src="mementomori.js"></script>
 <script>
-    var nbsemaines = 960;
+    var seconds = (new Date(Date.now()).getTime() - new Date("05/12/2004").getTime()) / 1000;
+    var nbsemaines = parseInt(seconds / 604800);
+    console.log(nbsemaines);
     remplir(nbsemaines);
 </script>
\ No newline at end of file