Index: bp-core.php
===================================================================
--- bp-core.php	(revision 1618)
+++ bp-core.php	(working copy)
@@ -900,10 +900,10 @@
  * @return str The email for the matched user.
  */
 function bp_core_format_time( $time, $just_date = false ) {
-	$date = date( "F j, Y ", $time );
+	$date = date_i18n( 'F j, Y', $time ) . ' ';
 	
 	if ( !$just_date ) {
-		$date .= __('at', 'buddypress') . date( ' g:iA', $time );
+		$date .= __( 'at', 'buddypress' ) . '' . date_i18n( __( 'g:iA', 'buddypress' ), $time );
 	}
 	
 	return $date;
Index: bp-core/bp-core-templatetags.php
===================================================================
--- bp-core/bp-core-templatetags.php	(revision 1618)
+++ bp-core/bp-core-templatetags.php	(working copy)
@@ -367,10 +367,10 @@
 }
 
 function bp_format_time( $time, $just_date = false ) {
-	$date = date( get_option('date_format'), $time );
+	$date = date_i18n( get_option('date_format'), $time );
 	
 	if ( !$just_date ) {
-		$date .= ' ' . __( 'at', 'buddypress' ) . date( ' ' . get_option('time_format'), $time );
+		$date .= ' ' . __( 'at', 'buddypress' ) . date_i18n( ' ' . get_option('time_format'), $time );
 	}
 	
 	return apply_filters( 'bp_format_time', $date );