diff --git a/etc/psa_tariff/tariff01.json b/etc/psa_tariff/tariff01.json
index 649054c..629181b 100644
--- a/etc/psa_tariff/tariff01.json
+++ b/etc/psa_tariff/tariff01.json
@@ -461,8 +461,8 @@
     {
       "ped_id": 2031,
       "ped_label": "Mariae Empfaengnis",
-      "ped_date_start": "2024-08-12",
-      "ped_date_end": "2024-08-12",
+      "ped_date_start": "2024-12-08",
+      "ped_date_end": "2024-12-08",
       "ped_period_special_day_id": 1,
       "ped_year": 0,
       "comment_ped_year": "check year if 0"