diff --git a/globalize/globalize.d.ts b/globalize/globalize.d.ts
index 0bdaeb4bf8..4510e38cb1 100644
--- a/globalize/globalize.d.ts
+++ b/globalize/globalize.d.ts
@@ -91,6 +91,7 @@ interface GlobalizeCulture {
     isRTL: boolean;
     language: string;
     numberFormat: GlobalizeNumberFormat;
+    calendar: GlobalizeCalendar;
     calendars: GlobalizeCalendars;
     messages: any;
 }