Index: src/js/i18n.js |
diff --git a/src/js/i18n.js b/src/js/i18n.js |
index b2eef6f18dd126e82fa2df91ffecad55cafacb42..a859a9fbeb9f1028e0c6245364a800651d8e7f29 100644 |
--- a/src/js/i18n.js |
+++ b/src/js/i18n.js |
@@ -1574,7 +1574,7 @@ function initializeDateTimeFormat(dateFormat, locales, options) { |
var formatter = %CreateDateTimeFormat( |
requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved); |
- if (!IS_UNDEFINED(tz) && tz !== resolved.timeZone) { |
+ if (resolved.timeZone === "Etc/Unknown") { |
throw MakeRangeError(kUnsupportedTimeZone, tz); |
} |