diff -ru empathy-2.31.4-old//libempathy/empathy-time.h empathy-2.31.4/libempathy/empathy-time.h
--- empathy-2.31.4-old//libempathy/empathy-time.h	2010-07-09 12:52:30.368512000 +0200
+++ empathy-2.31.4/libempathy/empathy-time.h	2010-07-09 12:52:50.687694000 +0200
@@ -30,8 +30,8 @@
 
 G_BEGIN_DECLS
 
-#define EMPATHY_TIME_FORMAT_DISPLAY_SHORT "%H:%M"
-#define EMPATHY_TIME_FORMAT_DISPLAY_LONG  "%a %d %b %Y"
+#define EMPATHY_TIME_FORMAT_DISPLAY_SHORT "%X"
+#define EMPATHY_TIME_FORMAT_DISPLAY_LONG  "%c"
 
 time_t  empathy_time_get_current     (void);
 time_t  empathy_time_get_local_time  (struct tm   *tm);
