diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index 29375ba8db7335ca8dfb02b02336783f96fec83d..93acaa59d1089909378d2c6768942345e197217e 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -243,6 +243,17 @@ static struct xt_match xt_time_mt_reg __read_mostly = {
 
 static int __init time_mt_init(void)
 {
+	int minutes = sys_tz.tz_minuteswest;
+
+	if (minutes < 0) /* east of Greenwich */
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": kernel timezone is +%02d%02d\n",
+		       -minutes / 60, -minutes % 60);
+	else /* west of Greenwich */
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": kernel timezone is -%02d%02d\n",
+		       minutes / 60, minutes % 60);
+
 	return xt_register_match(&xt_time_mt_reg);
 }