diff --git a/fhem/FHEM/holiday/hb.holiday b/fhem/FHEM/holiday/hb.holiday
index 792d889d1..4be367346 100644
--- a/fhem/FHEM/holiday/hb.holiday
+++ b/fhem/FHEM/holiday/hb.holiday
@@ -7,6 +7,7 @@
 1 01-01 Neujahr
 1 05-01 Tag der Arbeit
 1 10-03 Tag der deutschen Einheit
+1 10-31 Reformationstag
 1 12-25 1. Weihnachtstag
 1 12-26 2. Weihnachtstag
 
diff --git a/fhem/FHEM/holiday/hh.holiday b/fhem/FHEM/holiday/hh.holiday
index 81e1623ba..62e7b3313 100644
--- a/fhem/FHEM/holiday/hh.holiday
+++ b/fhem/FHEM/holiday/hh.holiday
@@ -7,6 +7,7 @@
 1 01-01 Neujahr
 1 05-01 Tag der Arbeit
 1 10-03 Tag der deutschen Einheit
+1 10-31 Reformationstag
 1 12-25 1. Weihnachtstag
 1 12-26 2. Weihnachtstag
 
diff --git a/fhem/FHEM/holiday/ns.holiday b/fhem/FHEM/holiday/ns.holiday
index 74760dc0f..e1080b2e9 100644
--- a/fhem/FHEM/holiday/ns.holiday
+++ b/fhem/FHEM/holiday/ns.holiday
@@ -4,6 +4,7 @@
 1 01-01 Neujahr
 1 05-01 Tag der Arbeit
 1 10-03 Tag der deutschen Einheit
+1 10-31 Reformationstag
 1 12-25 1. Weihnachtstag
 1 12-26 2. Weihnachtstag
 
diff --git a/fhem/FHEM/holiday/sh.holiday b/fhem/FHEM/holiday/sh.holiday
index f13588735..58fb893a1 100644
--- a/fhem/FHEM/holiday/sh.holiday
+++ b/fhem/FHEM/holiday/sh.holiday
@@ -7,6 +7,7 @@
 1 01-01 Neujahr
 1 05-01 Tag der Arbeit
 1 10-03 Tag der deutschen Einheit
+1 10-31 Reformationstag
 1 12-25 1. Weihnachtstag
 1 12-26 2. Weihnachtstag