Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 20171)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -2986,19 +2986,22 @@
 	line-height: 14px;
 	padding: 0;
 	vertical-align: top;
+	min-width: 6em;
+	text-align: center;
 }
 
 #aa, #jj, #hh, #mn {
 	padding: 1px;
 	font-size: 12px;
+	text-align: center;
 }
 
 #jj, #hh, #mn {
-	width: 2em;
+	width: 4em;
 }
 
 #aa {
-	width: 3.4em;
+	width: 5em;
 }
 
 .curtime #timestamp {
Index: wp-admin/includes/template.php
===================================================================
--- wp-admin/includes/template.php	(revision 20171)
+++ wp-admin/includes/template.php	(working copy)
@@ -605,7 +605,7 @@
 
 	echo '<div class="timestamp-wrap">';
 	/* translators: 1: month input, 2: day input, 3: year input, 4: hour input, 5: minute input */
-	printf(__('%1$s%2$s, %3$s @ %4$s : %5$s'), $month, $day, $year, $hour, $minute);
+	printf(__('%1$s%2$s, %3$s <br>@ %4$s : %5$s'), $month, $day, $year, $hour, $minute);
 
 	echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';