diff -rupN signup/includes/cron.inc signup2/includes/cron.inc
--- signup/includes/cron.inc	2009-08-14 19:26:10.000000000 -0400
+++ signup2/includes/cron.inc	2012-12-05 12:43:51.000000000 -0500
@@ -49,8 +49,8 @@ function _signup_cron_send_reminders() {
     // the signup log to pull all users who are signed up for this node.
     while ($node = db_fetch_object($result)) {
       $subject = t('!node_type reminder: !title', array('!node_type' => node_get_types('name', $type), '!title' => $node->title));
-      $signups = db_query("SELECT u.name, u.mail, s_l.sid, s_l.anon_mail, s_l.form_data FROM {signup_log} s_l INNER JOIN {users} u ON u.uid = s_l.uid WHERE s_l.nid = %d", $node->nid);
-
+      $signups = db_query("SELECT u.name, u.mail, s_l.sid, s_l.anon_mail, s_l.form_data, s_l.signup_time FROM {signup_log} s_l INNER JOIN {users} u ON u.uid = s_l.uid WHERE s_l.nid = %d", $node->nid);
+      
       // Loop through the users, composing their customized message
       // and sending the email.
       while ($signup = db_fetch_object($signups)) {