From e165c44d27819fa933f336f37bc3d651fb978caf Mon Sep 17 00:00:00 2001
From: Tim Wood <washwithcare@gmail.com>
Date: Sat, 11 May 2013 11:08:42 -1000
Subject: [PATCH] Adding hooks for external libs to supply timezone name and
 timezone abbreviations

---
 moment.js            | 14 ++++++++++++++
 test/moment/zones.js | 16 ++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/moment.js b/moment.js
index 0bb255cf5..6284d3677 100644
--- a/moment.js
+++ b/moment.js
@@ -199,6 +199,12 @@
                 }
                 return b + leftZeroFill(~~(10 * a / 6), 4);
             },
+            z : function () {
+                return this.zoneAbbr();
+            },
+            zz : function () {
+                return this.zoneName();
+            },
             X    : function () {
                 return this.unix();
             }
@@ -1379,6 +1385,14 @@
             return this;
         },
 
+        zoneAbbr : function () {
+            return this._isUTC ? "UTC" : "";
+        },
+
+        zoneName : function () {
+            return this._isUTC ? "Coordinated Universal Time" : "";
+        },
+
         daysInMonth : function () {
             return moment.utc([this.year(), this.month() + 1, 0]).date();
         },
diff --git a/test/moment/zones.js b/test/moment/zones.js
index 8adecbf58..133de2e46 100644
--- a/test/moment/zones.js
+++ b/test/moment/zones.js
@@ -398,6 +398,22 @@ exports.zones = {
 
         moment.updateOffset = oldOffset;
 
+        test.done();
+    },
+
+    "zone names" : function (test) {
+        test.expect(8);
+
+        test.equal(moment().zoneAbbr(),   "", "Local zone abbr should be empty");
+        test.equal(moment().format('z'),  "", "Local zone formatted abbr should be empty");
+        test.equal(moment().zoneName(),   "", "Local zone name should be empty");
+        test.equal(moment().format('zz'), "", "Local zone formatted name should be empty");
+
+        test.equal(moment.utc().zoneAbbr(),   "UTC", "UTC zone abbr should be UTC");
+        test.equal(moment.utc().format('z'),  "UTC", "UTC zone formatted abbr should be UTC");
+        test.equal(moment.utc().zoneName(),   "Coordinated Universal Time", "UTC zone abbr should be Coordinated Universal Time");
+        test.equal(moment.utc().format('zz'), "Coordinated Universal Time", "UTC zone formatted abbr should be Coordinated Universal Time");
+
         test.done();
     }
 
-- 
2.47.2