diff --git a/usr.sbin/sade/menus.c b/usr.sbin/sade/menus.c
index 5009eb81a99..8d8879640be 100644
--- a/usr.sbin/sade/menus.c
+++ b/usr.sbin/sade/menus.c
@@ -1635,6 +1635,12 @@ DMenu MenuNTP = {
       { "Italy",		"ntps.net4u.it",
 	dmenuVarsCheck, dmenuSetVariables, NULL,
 	"ntpdate_enable=YES,ntpdate_flags=" },
+      { "Japan",		"ntp.jst.mfeed.ad.jp",
+	dmenuVarsCheck, dmenuSetVariables, NULL,
+	"ntpdate_enable=YES,ntpdate_flags=ntp.jst.mfeed.ad.jp" },
+      { "Japan IPv6",		"ntp1.v6.mfeed.ad.jp",
+	dmenuVarsCheck, dmenuSetVariables, NULL,
+	"ntpdate_enable=YES,ntpdate_flags=ntp1.v6.mfeed.ad.jp" },
       { "Korea",		"time.nuri.net",
 	dmenuVarsCheck,	dmenuSetVariables, NULL, 
 	"ntpdate_enable=YES,ntpdate_flags=time.nuri.net" },
diff --git a/usr.sbin/sysinstall/menus.c b/usr.sbin/sysinstall/menus.c
index 5009eb81a99..8d8879640be 100644
--- a/usr.sbin/sysinstall/menus.c
+++ b/usr.sbin/sysinstall/menus.c
@@ -1635,6 +1635,12 @@ DMenu MenuNTP = {
       { "Italy",		"ntps.net4u.it",
 	dmenuVarsCheck, dmenuSetVariables, NULL,
 	"ntpdate_enable=YES,ntpdate_flags=" },
+      { "Japan",		"ntp.jst.mfeed.ad.jp",
+	dmenuVarsCheck, dmenuSetVariables, NULL,
+	"ntpdate_enable=YES,ntpdate_flags=ntp.jst.mfeed.ad.jp" },
+      { "Japan IPv6",		"ntp1.v6.mfeed.ad.jp",
+	dmenuVarsCheck, dmenuSetVariables, NULL,
+	"ntpdate_enable=YES,ntpdate_flags=ntp1.v6.mfeed.ad.jp" },
       { "Korea",		"time.nuri.net",
 	dmenuVarsCheck,	dmenuSetVariables, NULL, 
 	"ntpdate_enable=YES,ntpdate_flags=time.nuri.net" },