Fix issue 3393 (#3395)

Fix for #3393

tests/configs/modules/calendar/rrule_until.js

@@ -0,0 +1,30 @@
+let config = {
+	timeFormat: 12,
+
+	modules: [
+		{
+			module: "calendar",
+			position: "bottom_bar",
+			config: {
+				hideDuplicates: false,
+				maximumEntries: 100,
+				calendars: [
+					{
+						maximumEntries: 100,
+						maximumNumberOfDays: 1, // Just today
+						url: "http://localhost:8080/tests/mocks/rrule_until.ics"
+					}
+				]
+			}
+		}
+	]
+};
+
+Date.now = () => {
+	return new Date("07 Mar 2024 10:38:00 GMT-07:00").valueOf();
+};
+
+/*************** DO NOT EDIT THE LINE BELOW ***************/
+if (typeof module !== "undefined") {
+	module.exports = config;
+}