diff --git a/zmsadmin/js/page/availabilityDay/index.js b/zmsadmin/js/page/availabilityDay/index.js
index 50cc70adb..9b23a22f8 100644
--- a/zmsadmin/js/page/availabilityDay/index.js
+++ b/zmsadmin/js/page/availabilityDay/index.js
@@ -511,7 +511,6 @@ class AvailabilityPage extends Component {
                 selectedAvailability: this.state.selectedAvailability
             }))
         };
-        console.log("here");
         const url = `${this.props.links.includeurl}/availability/conflicts/`;
         fetch(url, requestOptions)
             .then(res => res.json())
diff --git a/zmsadmin/src/Zmsadmin/AvailabilityConflicts.php b/zmsadmin/src/Zmsadmin/AvailabilityConflicts.php
index 952d3be80..92edd5287 100644
--- a/zmsadmin/src/Zmsadmin/AvailabilityConflicts.php
+++ b/zmsadmin/src/Zmsadmin/AvailabilityConflicts.php
@@ -45,7 +45,7 @@ protected static function getAvailabilityData($input)
             $availabilityList->addEntity($futureAvailability);
         }
 
-        [$earliestStartDateTime, $latestEndDateTime] = self::getDateTimeRangeFromList($availabilityList, $selectedDateTime);
+        [$earliestStartDateTime, $latestEndDateTime] = $availabilityList->getDateTimeRangeFromList( $selectedDateTime);
 
         $availabilityList = $availabilityList->sortByCustomStringKey('endTime');
         $conflictList = $availabilityList->getConflicts($earliestStartDateTime, $latestEndDateTime);
@@ -94,45 +94,6 @@ protected static function getAvailabilityList($scope, $dateTime)
     }
 
 
-    /**
-     * Get the earliest startDateTime and latest endDateTime from an AvailabilityList
-     * If the start date of any availability is before the selected date, use the selected date instead.
-     *
-     * @param AvailabilityList $availabilityList
-     * @param \DateTimeImmutable $selectedDate
-     * @return array
-     */
-    protected static function getDateTimeRangeFromList(AvailabilityList $availabilityList, \DateTimeImmutable $selectedDate): array
-    {
-        $earliestStartDateTime = null;
-        $latestEndDateTime = null;
-
-        foreach ($availabilityList as $availability) {
-            // Convert Unix timestamp to date strings
-            $startDate = (new \DateTimeImmutable())->setTimestamp($availability->startDate)->format('Y-m-d');
-            $endDate = (new \DateTimeImmutable())->setTimestamp($availability->endDate)->format('Y-m-d');
-
-            // Combine date and time for start and end
-            $startDateTime = new \DateTimeImmutable("{$startDate} {$availability->startTime}");
-            $endDateTime = new \DateTimeImmutable("{$endDate} {$availability->endTime}");
-
-            // Adjust the startDateTime if it's before the selected date
-            if ($startDateTime < $selectedDate) {
-                $startDateTime = $selectedDate->setTime(0, 0);
-            }
 
-            // Determine the earliest start time
-            if (is_null($earliestStartDateTime) || $startDateTime < $earliestStartDateTime) {
-                $earliestStartDateTime = $startDateTime;
-            }
-
-            // Determine the latest end time
-            if (is_null($latestEndDateTime) || $endDateTime > $latestEndDateTime) {
-                $latestEndDateTime = $endDateTime;
-            }
-        }
-
-        return [$earliestStartDateTime, $latestEndDateTime];
-    }
 
 }
diff --git a/zmsapi/src/Zmsapi/AvailabilityAdd.php b/zmsapi/src/Zmsapi/AvailabilityAdd.php
index 6aa600c4b..24a832b96 100644
--- a/zmsapi/src/Zmsapi/AvailabilityAdd.php
+++ b/zmsapi/src/Zmsapi/AvailabilityAdd.php
@@ -89,7 +89,7 @@ public function readResponse(
             throw new AvailabilityUpdateFailed();
         }        
     
-        [$earliestStartDateTime, $latestEndDateTime] = $this->getDateTimeRangeFromCollection($mergedCollection,  \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $input['selectedDate'] . ' 00:00:00'));
+        [$earliestStartDateTime, $latestEndDateTime] = $mergedCollection->getDateTimeRangeFromList(\DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $input['selectedDate'] . ' 00:00:00'));
         $conflicts = $mergedCollection->getConflicts($earliestStartDateTime, $latestEndDateTime);
         if ($conflicts->count() > 0) {
             //error_log(json_encode($conflicts));
@@ -109,48 +109,6 @@ public function readResponse(
         $response = Render::withLastModified($response, time(), '0');
         return Render::withJson($response, $message->setUpdatedMetaData(), $message->getStatuscode());
     }
-    
-
-    /**
-     * Get the earliest startDateTime and latest endDateTime from a Collection
-     * If the start date of any availability is before the selected date, 
-     * use the selected date instead.
-     *
-     * @param Collection $collection
-     * @param \DateTimeImmutable $selectedDate
-     * @return array
-     */
-    private function getDateTimeRangeFromCollection(Collection $collection, \DateTimeImmutable $selectedDate): array
-    {
-        $earliestStartDateTime = null;
-        $latestEndDateTime = null;
-
-        foreach ($collection as $availability) {
-            // Convert Unix timestamp to a date string before concatenating with the time
-            $startDate = (new \DateTimeImmutable())->setTimestamp($availability->startDate)->format('Y-m-d');
-            $endDate = (new \DateTimeImmutable())->setTimestamp($availability->endDate)->format('Y-m-d');
-            
-            // Combine date and time for start and end
-            $startDateTime = new \DateTimeImmutable("{$startDate} {$availability->startTime}");
-            $endDateTime = new \DateTimeImmutable("{$endDate} {$availability->endTime}");
-
-            // If startDate is before the selectedDate, use the selectedDate as the start
-            if ($startDateTime < $selectedDate) {
-                $startDateTime = $selectedDate->setTime(0, 0);
-            }
-
-            // Determine the earliest start and latest end times
-            if (is_null($earliestStartDateTime) || $startDateTime < $earliestStartDateTime) {
-                $earliestStartDateTime = $startDateTime;
-            }
-            if (is_null($latestEndDateTime) || $endDateTime > $latestEndDateTime) {
-                $latestEndDateTime = $endDateTime;
-            }
-        }
-
-        return [$earliestStartDateTime, $latestEndDateTime];
-    }
-
 
     protected function writeEntityUpdate($entity, $resolveReferences): Entity
     {
diff --git a/zmsapi/src/Zmsapi/AvailabilityUpdate.php b/zmsapi/src/Zmsapi/AvailabilityUpdate.php
index c4d78cbcf..20842db21 100644
--- a/zmsapi/src/Zmsapi/AvailabilityUpdate.php
+++ b/zmsapi/src/Zmsapi/AvailabilityUpdate.php
@@ -96,7 +96,7 @@ public function readResponse(
             throw new AvailabilityUpdateFailed();
         }        
     
-        [$earliestStartDateTime, $latestEndDateTime] = $this->getDateTimeRangeFromCollection($mergedCollection,  \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $input['selectedDate'] . ' 00:00:00'));
+        [$earliestStartDateTime, $latestEndDateTime] = $mergedCollection->getDateTimeRangeFromList(\DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $input['selectedDate'] . ' 00:00:00'));
         $conflicts = $mergedCollection->getConflicts($earliestStartDateTime, $latestEndDateTime);
         if ($conflicts->count() > 0) {
             //error_log(json_encode($conflicts));
@@ -117,46 +117,6 @@ public function readResponse(
         return Render::withJson($response, $message->setUpdatedMetaData(), $message->getStatuscode());
     }
 
-    /**
-     * Get the earliest startDateTime and latest endDateTime from a Collection
-     * If the start date of any availability is before the selected date, 
-     * use the selected date instead.
-     *
-     * @param Collection $collection
-     * @param \DateTimeImmutable $selectedDate
-     * @return array
-     */
-    private function getDateTimeRangeFromCollection(Collection $collection, \DateTimeImmutable $selectedDate): array
-    {
-        $earliestStartDateTime = null;
-        $latestEndDateTime = null;
-
-        foreach ($collection as $availability) {
-            // Convert Unix timestamp to a date string before concatenating with the time
-            $startDate = (new \DateTimeImmutable())->setTimestamp($availability->startDate)->format('Y-m-d');
-            $endDate = (new \DateTimeImmutable())->setTimestamp($availability->endDate)->format('Y-m-d');
-            
-            // Combine date and time for start and end
-            $startDateTime = new \DateTimeImmutable("{$startDate} {$availability->startTime}");
-            $endDateTime = new \DateTimeImmutable("{$endDate} {$availability->endTime}");
-
-            // If startDate is before the selectedDate, use the selectedDate as the start
-            if ($startDateTime < $selectedDate) {
-                $startDateTime = $selectedDate->setTime(0, 0);
-            }
-
-            // Determine the earliest start and latest end times
-            if (is_null($earliestStartDateTime) || $startDateTime < $earliestStartDateTime) {
-                $earliestStartDateTime = $startDateTime;
-            }
-            if (is_null($latestEndDateTime) || $endDateTime > $latestEndDateTime) {
-                $latestEndDateTime = $endDateTime;
-            }
-        }
-
-        return [$earliestStartDateTime, $latestEndDateTime];
-    }
-
     protected function writeEntityUpdate($entity, $resolveReferences): Entity
     {
         $repository = new AvailabilityRepository();
diff --git a/zmsentities/src/Zmsentities/Collection/AvailabilityList.php b/zmsentities/src/Zmsentities/Collection/AvailabilityList.php
index 6082697ae..e096c27ea 100644
--- a/zmsentities/src/Zmsentities/Collection/AvailabilityList.php
+++ b/zmsentities/src/Zmsentities/Collection/AvailabilityList.php
@@ -177,7 +177,46 @@ public function validateInputs(\DateTimeImmutable $startDate, \DateTimeImmutable
         return $errorList;
     }
     
-    
+    /**
+     * Get the earliest startDateTime and latest endDateTime from an AvailabilityList
+     * If the start date of any availability is before the selected date, use the selected date instead.
+     *
+     * @param AvailabilityList $availabilityList
+     * @param \DateTimeImmutable $selectedDate
+     * @return array
+     */
+    public function getDateTimeRangeFromList(\DateTimeImmutable $selectedDate): array
+    {
+        $earliestStartDateTime = null;
+        $latestEndDateTime = null;
+
+        foreach ($this as $availability) {
+            // Convert Unix timestamp to date strings
+            $startDate = (new \DateTimeImmutable())->setTimestamp($availability->startDate)->format('Y-m-d');
+            $endDate = (new \DateTimeImmutable())->setTimestamp($availability->endDate)->format('Y-m-d');
+
+            // Combine date and time for start and end
+            $startDateTime = new \DateTimeImmutable("{$startDate} {$availability->startTime}");
+            $endDateTime = new \DateTimeImmutable("{$endDate} {$availability->endTime}");
+
+            // Adjust the startDateTime if it's before the selected date
+            if ($startDateTime < $selectedDate) {
+                $startDateTime = $selectedDate->setTime(0, 0);
+            }
+
+            // Determine the earliest start time
+            if (is_null($earliestStartDateTime) || $startDateTime < $earliestStartDateTime) {
+                $earliestStartDateTime = $startDateTime;
+            }
+
+            // Determine the latest end time
+            if (is_null($latestEndDateTime) || $endDateTime > $latestEndDateTime) {
+                $latestEndDateTime = $endDateTime;
+            }
+        }
+
+        return [$earliestStartDateTime, $latestEndDateTime];
+    }
 
     public function getConflicts($startDate, $endDate)
     {