diff --git a/build.js b/build.js
index 67ca648..8775f14 100644
--- a/build.js
+++ b/build.js
@@ -49,7 +49,7 @@ function getBinType(key) {
 }
 
 function formatAlternativeName(name) {
-    return name.replace('Day', '').replace('(Changed Collection)', '').replace('Garden Waste Collection', 'Garden Bin').trim();
+    return name.replace(/Day|\(Changed Collection\)/gi, '').replace('Garden Waste Collection', 'Garden Bin').trim();
 }
 
 function getWeekdayFromDate(date) {
@@ -83,6 +83,7 @@ calendars.forEach(function(filepath) {
         "lastGenerated": new Date().toJSON(),
         "lastModified": fileProperties.modifyTime,
         "totalCollections": 0,
+        "totalChangedCollections": 0,
         "collectionDates": []
     };
 
@@ -110,6 +111,10 @@ calendars.forEach(function(filepath) {
         .sort((a,b) => new Date(a.collectionDate) - new Date(b.collectionDate));
 
     jsonData['totalCollections'] = allEvents.length;
+    jsonData['totalChangedCollections'] = allEvents.filter(function(item){
+        return item.name.includes("Changed Collection");
+    }).length;
+
     jsonData['collectionDates'] = allEvents;
 
     // Write to JSON folder for public API
diff --git a/json-endpoints.html b/json-endpoints.html
index 6e27a21..726f765 100644
--- a/json-endpoints.html
+++ b/json-endpoints.html
@@ -23,6 +23,7 @@ <h1 class="h2">{{ page.title }}</h1>
     <li><code>lastGenerated</code> - The last time the JSON data was generated from a deployment.</li>
     <li><code>lastModified</code> - The last time the calendar data was modified, this is based on the modified date of the original iCal source.</li>
     <li><code>totalCollections</code> - The total items within the <code>collectionDates</code>.</li>
+    <li><code>totalChangedCollections</code> - The total of one-off changed collection dates that differ from the <code>collectionWeekday</code>.</li>
     <li><code>collectionDates</code> - The array containing all bin collection dates, with occurrences expanded to single events.</li>
 </ul>
 
@@ -38,6 +39,7 @@ <h1 class="h2">{{ page.title }}</h1>
     "lastGenerated": "2024-06-29T18:45:14.023Z",
     "lastModified": "2024-06-17T14:12:39.206Z",
     "totalCollections": 53,
+    "totalChangedCollections": 1,
     "collectionDates": [
         ...
     ]