diff --git a/Library/Settings/Calendars/Golarion.calendar b/Library/Settings/Calendars/Golarion.calendar
index 29d157623..16db18bf9 100644
--- a/Library/Settings/Calendars/Golarion.calendar
+++ b/Library/Settings/Calendars/Golarion.calendar
@@ -62,7 +62,7 @@
   "seasons": [
     {
       "name": "Winter",
-      "start_month": 12,
+      "start_month": 11,
       "start_day": 1,
       "end_month": 2,
       "end_day": 28