diff --git a/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/seasonalevents.json b/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/seasonalevents.json
index 819f7e33..51a31178 100644
--- a/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/seasonalevents.json
+++ b/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/seasonalevents.json
@@ -9931,7 +9931,7 @@
         "enableChristmasHideout": true,
         "enableSanta": true
       },
-      "startDay": "12",
+      "startDay": "13",
       "startMonth": "12",
       "type": "CHRISTMAS"
     },
diff --git a/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/weather.json b/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/weather.json
index 94142bef..0601fe72 100644
--- a/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/weather.json
+++ b/Libraries/SPTarkov.Server.Assets/SPT_Data/configs/weather.json
@@ -287,13 +287,13 @@
       "name": "AUTUMN_LATE",
       "startDay": "1",
       "startMonth": "11",
-      "endDay": "21",
+      "endDay": "13",
       "endMonth": "12"
     },
     {
       "seasonType": 2,
       "name": "WINTER_START",
-      "startDay": "21",
+      "startDay": "13",
       "startMonth": "12",
       "endDay": "31",
       "endMonth": "12"