Merge pull request #9799 from petetnt/petetnt-stats-fix

fix: Deal with undetected timeZone in Stats.js

lib/Stats.js

@@ -974,16 +974,29 @@ class Stats {
 		}
 		if (typeof obj.builtAt === "number") {
 			const builtAtDate = new Date(obj.builtAt);
+			let timeZone = null;
+
+			try {
+				timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+			} catch (err) {
+				// disregard the RangeError
+			}
+
+			// Force UTC if runtime timezone could not be detected.
+			if (!timeZone || timeZone.toLowerCase() === "etc/unknown") {
+				timeZone = "UTC";
+			}
 			colors.normal("Built at: ");
 			colors.normal(
 				builtAtDate.toLocaleDateString(undefined, {
 					day: "2-digit",
 					month: "2-digit",
-					year: "numeric"
+					year: "numeric",
+					timeZone
 				})
 			);
 			colors.normal(" ");
-			colors.bold(builtAtDate.toLocaleTimeString());
+			colors.bold(builtAtDate.toLocaleTimeString(undefined, { timeZone }));
 			newline();
 		}
 		if (obj.env) {