diff --git a/lib/assets/javascripts/twitter_cldr/af.js b/lib/assets/javascripts/twitter_cldr/af.js
index 057d99f..5d37be1 100644
--- a/lib/assets/javascripts/twitter_cldr/af.js
+++ b/lib/assets/javascripts/twitter_cldr/af.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/ar.js b/lib/assets/javascripts/twitter_cldr/ar.js
index c28191a..2c011ab 100644
--- a/lib/assets/javascripts/twitter_cldr/ar.js
+++ b/lib/assets/javascripts/twitter_cldr/ar.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/ca.js b/lib/assets/javascripts/twitter_cldr/ca.js
index 0b9a1fa..6f4d9d9 100644
--- a/lib/assets/javascripts/twitter_cldr/ca.js
+++ b/lib/assets/javascripts/twitter_cldr/ca.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/cs.js b/lib/assets/javascripts/twitter_cldr/cs.js
index 7d95239..d578c54 100644
--- a/lib/assets/javascripts/twitter_cldr/cs.js
+++ b/lib/assets/javascripts/twitter_cldr/cs.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/da.js b/lib/assets/javascripts/twitter_cldr/da.js
index 49ec5a6..5a39041 100644
--- a/lib/assets/javascripts/twitter_cldr/da.js
+++ b/lib/assets/javascripts/twitter_cldr/da.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/de.js b/lib/assets/javascripts/twitter_cldr/de.js
index cad868e..06f271a 100644
--- a/lib/assets/javascripts/twitter_cldr/de.js
+++ b/lib/assets/javascripts/twitter_cldr/de.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/el.js b/lib/assets/javascripts/twitter_cldr/el.js
index 48b7110..4ab6116 100644
--- a/lib/assets/javascripts/twitter_cldr/el.js
+++ b/lib/assets/javascripts/twitter_cldr/el.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/en.js b/lib/assets/javascripts/twitter_cldr/en.js
index f73873d..bb38eb4 100644
--- a/lib/assets/javascripts/twitter_cldr/en.js
+++ b/lib/assets/javascripts/twitter_cldr/en.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/es.js b/lib/assets/javascripts/twitter_cldr/es.js
index bcc7384..a4a0d2f 100644
--- a/lib/assets/javascripts/twitter_cldr/es.js
+++ b/lib/assets/javascripts/twitter_cldr/es.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/eu.js b/lib/assets/javascripts/twitter_cldr/eu.js
index d9f3004..08ff4fd 100644
--- a/lib/assets/javascripts/twitter_cldr/eu.js
+++ b/lib/assets/javascripts/twitter_cldr/eu.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/fa.js b/lib/assets/javascripts/twitter_cldr/fa.js
index 1faa31c..38343a3 100644
--- a/lib/assets/javascripts/twitter_cldr/fa.js
+++ b/lib/assets/javascripts/twitter_cldr/fa.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/fi.js b/lib/assets/javascripts/twitter_cldr/fi.js
index 43cf89c..dcdb894 100644
--- a/lib/assets/javascripts/twitter_cldr/fi.js
+++ b/lib/assets/javascripts/twitter_cldr/fi.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/fil.js b/lib/assets/javascripts/twitter_cldr/fil.js
index 73b8652..c3079ee 100644
--- a/lib/assets/javascripts/twitter_cldr/fil.js
+++ b/lib/assets/javascripts/twitter_cldr/fil.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/fr.js b/lib/assets/javascripts/twitter_cldr/fr.js
index 84aed68..dd58ebb 100644
--- a/lib/assets/javascripts/twitter_cldr/fr.js
+++ b/lib/assets/javascripts/twitter_cldr/fr.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/he.js b/lib/assets/javascripts/twitter_cldr/he.js
index 4d6e2e5..f90a26e 100644
--- a/lib/assets/javascripts/twitter_cldr/he.js
+++ b/lib/assets/javascripts/twitter_cldr/he.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/hi.js b/lib/assets/javascripts/twitter_cldr/hi.js
index 695c2e3..0b6ffee 100644
--- a/lib/assets/javascripts/twitter_cldr/hi.js
+++ b/lib/assets/javascripts/twitter_cldr/hi.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/hu.js b/lib/assets/javascripts/twitter_cldr/hu.js
index 43bb0f9..700f37a 100644
--- a/lib/assets/javascripts/twitter_cldr/hu.js
+++ b/lib/assets/javascripts/twitter_cldr/hu.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/id.js b/lib/assets/javascripts/twitter_cldr/id.js
index 5d51322..2bc18a0 100644
--- a/lib/assets/javascripts/twitter_cldr/id.js
+++ b/lib/assets/javascripts/twitter_cldr/id.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/it.js b/lib/assets/javascripts/twitter_cldr/it.js
index dfea88a..bba40ce 100644
--- a/lib/assets/javascripts/twitter_cldr/it.js
+++ b/lib/assets/javascripts/twitter_cldr/it.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/ja.js b/lib/assets/javascripts/twitter_cldr/ja.js
index 41b1a0b..36c4327 100644
--- a/lib/assets/javascripts/twitter_cldr/ja.js
+++ b/lib/assets/javascripts/twitter_cldr/ja.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/ko.js b/lib/assets/javascripts/twitter_cldr/ko.js
index 3c67554..64a9c9b 100644
--- a/lib/assets/javascripts/twitter_cldr/ko.js
+++ b/lib/assets/javascripts/twitter_cldr/ko.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/msa.js b/lib/assets/javascripts/twitter_cldr/msa.js
index ee93c12..04f4fe1 100644
--- a/lib/assets/javascripts/twitter_cldr/msa.js
+++ b/lib/assets/javascripts/twitter_cldr/msa.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/nl.js b/lib/assets/javascripts/twitter_cldr/nl.js
index ec5756b..9800135 100644
--- a/lib/assets/javascripts/twitter_cldr/nl.js
+++ b/lib/assets/javascripts/twitter_cldr/nl.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/no.js b/lib/assets/javascripts/twitter_cldr/no.js
index c280141..fc7d4ce 100644
--- a/lib/assets/javascripts/twitter_cldr/no.js
+++ b/lib/assets/javascripts/twitter_cldr/no.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/pl.js b/lib/assets/javascripts/twitter_cldr/pl.js
index 116464c..15386d0 100644
--- a/lib/assets/javascripts/twitter_cldr/pl.js
+++ b/lib/assets/javascripts/twitter_cldr/pl.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/pt.js b/lib/assets/javascripts/twitter_cldr/pt.js
index d027862..0fafdfb 100644
--- a/lib/assets/javascripts/twitter_cldr/pt.js
+++ b/lib/assets/javascripts/twitter_cldr/pt.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/ru.js b/lib/assets/javascripts/twitter_cldr/ru.js
index bc753de..6da59b4 100644
--- a/lib/assets/javascripts/twitter_cldr/ru.js
+++ b/lib/assets/javascripts/twitter_cldr/ru.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/sv.js b/lib/assets/javascripts/twitter_cldr/sv.js
index e9d934a..f8b80c9 100644
--- a/lib/assets/javascripts/twitter_cldr/sv.js
+++ b/lib/assets/javascripts/twitter_cldr/sv.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/th.js b/lib/assets/javascripts/twitter_cldr/th.js
index cca28a3..51f2efb 100644
--- a/lib/assets/javascripts/twitter_cldr/th.js
+++ b/lib/assets/javascripts/twitter_cldr/th.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/tr.js b/lib/assets/javascripts/twitter_cldr/tr.js
index e2e60e9..6f67834 100644
--- a/lib/assets/javascripts/twitter_cldr/tr.js
+++ b/lib/assets/javascripts/twitter_cldr/tr.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/uk.js b/lib/assets/javascripts/twitter_cldr/uk.js
index de92742..7edcf32 100644
--- a/lib/assets/javascripts/twitter_cldr/uk.js
+++ b/lib/assets/javascripts/twitter_cldr/uk.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/ur.js b/lib/assets/javascripts/twitter_cldr/ur.js
index 542e3bf..62a2140 100644
--- a/lib/assets/javascripts/twitter_cldr/ur.js
+++ b/lib/assets/javascripts/twitter_cldr/ur.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/zh-cn.js b/lib/assets/javascripts/twitter_cldr/zh-cn.js
index b2cef4a..eb02bbf 100644
--- a/lib/assets/javascripts/twitter_cldr/zh-cn.js
+++ b/lib/assets/javascripts/twitter_cldr/zh-cn.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/assets/javascripts/twitter_cldr/zh-tw.js b/lib/assets/javascripts/twitter_cldr/zh-tw.js
index e94d49b..446a996 100644
--- a/lib/assets/javascripts/twitter_cldr/zh-tw.js
+++ b/lib/assets/javascripts/twitter_cldr/zh-tw.js
@@ -407,7 +407,7 @@ TwitterCldr.DateTimeFormatter = DateTimeFormatter = (function() {
       case 3:
         return offsetString;
       default:
-        return "UTC " + offsetString;
+        return "UTC" + offsetString;
     }
   };
 
diff --git a/lib/twitter_cldr/js/mustache/calendars/datetime.coffee b/lib/twitter_cldr/js/mustache/calendars/datetime.coffee
index a3a5c30..ce77857 100644
--- a/lib/twitter_cldr/js/mustache/calendars/datetime.coffee
+++ b/lib/twitter_cldr/js/mustache/calendars/datetime.coffee
@@ -239,7 +239,7 @@ TwitterCldr.DateTimeFormatter = class DateTimeFormatter
 			when 1, 2, 3
 				offsetString
 			else
-				"UTC " + offsetString
+				"UTC" + offsetString
 
 	timezone_generic_non_location: (time, pattern, length) ->
 		throw 'not yet implemented (requires timezone translation data")'
\ No newline at end of file
diff --git a/spec/js/calendars/datetime.spec.js b/spec/js/calendars/datetime.spec.js
index b70155e..ef65093 100644
--- a/spec/js/calendars/datetime.spec.js
+++ b/spec/js/calendars/datetime.spec.js
@@ -346,7 +346,7 @@ describe("DateTimeFormatter", function() {
       expect(formatter.timezone(date, 'z', 1)).toMatch(/^(-|\+)\d{2}:\d{2}$/);
       expect(formatter.timezone(date, 'zz', 2)).toMatch(/^(-|\+)\d{2}:\d{2}$/);
       expect(formatter.timezone(date, 'zzz', 3)).toMatch(/^(-|\+)\d{2}:\d{2}$/);
-      expect(formatter.timezone(date, 'zzzz', 4)).toMatch(/^UTC (-|\+)\d{2}:\d{2}$/);
+      expect(formatter.timezone(date, 'zzzz', 4)).toMatch(/^UTC(-|\+)\d{2}:\d{2}$/);
     });
   });