Add christmas events

package.json

@@ -14,7 +14,7 @@
     "@next/mdx": "^15.3.4",
     "@types/mdx": "^2.0.13",
     "clsx": "^2.1.1",
-    "dayjs": "^1.11.13",
+    "date-fns": "^4.1.0",
     "next": "^14.2.35",
     "react": "^18",
     "react-dom": "^18"