diff --git a/moment-timezone/moment-timezone-tests.ts b/moment-timezone/moment-timezone-tests.ts
index d01ea027c6..410c45fe2e 100644
--- a/moment-timezone/moment-timezone-tests.ts
+++ b/moment-timezone/moment-timezone-tests.ts
@@ -79,3 +79,8 @@ moment.tz.names();
 moment.tz.setDefault('America/Los_Angeles');
 
 moment.tz.guess();
+
+moment.tz('America/Los_Angeles').zoneAbbr();
+
+moment.tz('America/Los_Angeles').zoneName();
+
diff --git a/moment-timezone/moment-timezone.d.ts b/moment-timezone/moment-timezone.d.ts
index 407f99d5dd..42dd4b9f7a 100644
--- a/moment-timezone/moment-timezone.d.ts
+++ b/moment-timezone/moment-timezone.d.ts
@@ -9,6 +9,8 @@ declare module moment {
     interface Moment {
         tz(): string;
         tz(timezone: string): Moment;
+        zoneAbbr() :Moment;
+        zoneName() :Moment;
     }
 
     interface MomentStatic {