fix date zone

_config/filters.js

@@ -51,7 +51,7 @@ export default function(eleventyConfig) {
 	});
 
 	/* Human-readable dates */
-	eleventyConfig.addFilter("readableDate", (dateObj, format, zone) => {
+	eleventyConfig.addFilter("readableDate", (dateObj, zone) => {
 		return DateTime.fromJSDate(dateObj, { zone: zone || "utc" })
 			.toLocaleString(DateTime.DATE_FULL);
 	});