diff --git a/generator/objects/Property.php b/generator/objects/Property.php
index 6444da56..62d5806e 100644
--- a/generator/objects/Property.php
+++ b/generator/objects/Property.php
@@ -176,6 +176,7 @@ public function getPHPType($with_ns = false) {
                 return 'string';
 
             case Object::PROPERTY_TYPE_DATE:
+            case Object::PROPERTY_TYPE_TIMESTAMP:
                 return '\DateTime';
 
             case Object::PROPERTY_TYPE_OBJECT:
@@ -195,6 +196,7 @@ public function isHintable(){
 
         switch($this->getType()){
             case Object::PROPERTY_TYPE_DATE:
+            case Object::PROPERTY_TYPE_TIMESTAMP:
             case Object::PROPERTY_TYPE_OBJECT:
                 return true;
             default:
@@ -215,6 +217,10 @@ private function parseType(){
         if(preg_match('/^((a\s)?bool|true\b|booelan)/i', $this->description))
             $type = Object::PROPERTY_TYPE_BOOLEAN;
 
+        //Spelling errors in the docs
+        if(preg_match('/UTC$/', $this->getName()))
+            $type = Object::PROPERTY_TYPE_TIMESTAMP;
+
         if(preg_match('/^Has[A-Z]\w+/', $this->getName()))
             $type = Object::PROPERTY_TYPE_BOOLEAN;
 
@@ -231,7 +237,7 @@ private function parseType(){
         if(preg_match('/(^int(eger)?\b)/i', $this->description))
             $type = Object::PROPERTY_TYPE_INT;
 
-        if(preg_match('/(UTC|timestamp|\bdate\b)/i', $this->description))
+        if(preg_match('/(\bdate\b)/i', $this->description))
             $type = Object::PROPERTY_TYPE_DATE;
 
         if(preg_match('/Xero (generated )?(unique )?identifier/i', $this->description))
diff --git a/src/XeroPHP/Models/Accounting/Contact.php b/src/XeroPHP/Models/Accounting/Contact.php
index c180a6a2..c987b2c0 100644
--- a/src/XeroPHP/Models/Accounting/Contact.php
+++ b/src/XeroPHP/Models/Accounting/Contact.php
@@ -313,7 +313,7 @@ public static function getProperties() {
             'PurchasesDefaultAccountCode' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'SalesTrackingCategories' => array (false, self::PROPERTY_TYPE_OBJECT, 'Accounting\\TrackingCategory', true, false),
             'PurchasesTrackingCategories' => array (false, self::PROPERTY_TYPE_OBJECT, 'Accounting\\TrackingCategory', true, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'ContactGroups' => array (false, self::PROPERTY_TYPE_OBJECT, 'Accounting\\ContactGroup', true, false),
             'Website' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'BrandingTheme' => array (false, self::PROPERTY_TYPE_OBJECT, 'Accounting\\BrandingTheme', false, false),
diff --git a/src/XeroPHP/Models/Accounting/CreditNote.php b/src/XeroPHP/Models/Accounting/CreditNote.php
index 4cfd905c..24c390a7 100644
--- a/src/XeroPHP/Models/Accounting/CreditNote.php
+++ b/src/XeroPHP/Models/Accounting/CreditNote.php
@@ -220,7 +220,7 @@ public static function getProperties() {
             'SubTotal' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
             'TotalTax' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
             'Total' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'CurrencyCode' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'FullyPaidOnDate' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
             'CreditNoteID' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
diff --git a/src/XeroPHP/Models/Accounting/Item/Purchase.php b/src/XeroPHP/Models/Accounting/Item/Purchase.php
index e5bb4aae..d1ce1db7 100644
--- a/src/XeroPHP/Models/Accounting/Item/Purchase.php
+++ b/src/XeroPHP/Models/Accounting/Item/Purchase.php
@@ -29,7 +29,7 @@ class Purchase extends Remote\Object {
     /**
      * This property has been removed from the Xero API
      *
-     * @property string UpdatedDateUTC
+     * @property \DateTime UpdatedDateUTC
      * @deprecated
      */
 
@@ -99,7 +99,7 @@ public static function getProperties() {
             'UnitPrice' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'AccountCode' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'TaxType' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_STRING, null, false, false)
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false)
         );
     }
 
@@ -159,7 +159,7 @@ public function setTaxType($value) {
     }
 
     /**
-     * @return string
+     * @return \DateTime
      * @deprecated
      */
     public function getUpdatedDateUTC() {
@@ -167,11 +167,11 @@ public function getUpdatedDateUTC() {
     }
 
     /**
-     * @param string $value
+     * @param \DateTime $value
      * @return Purchase
      * @deprecated
      */
-    public function setUpdatedDateUTC($value) {
+    public function setUpdatedDateUTC(\DateTime $value) {
         $this->propertyUpdated('UpdatedDateUTC', $value);
         $this->_data['UpdatedDateUTC'] = $value;
         return $this;
diff --git a/src/XeroPHP/Models/Accounting/Item/Sale.php b/src/XeroPHP/Models/Accounting/Item/Sale.php
index e02645b0..b4177686 100644
--- a/src/XeroPHP/Models/Accounting/Item/Sale.php
+++ b/src/XeroPHP/Models/Accounting/Item/Sale.php
@@ -29,7 +29,7 @@ class Sale extends Remote\Object {
     /**
      * This property has been removed from the Xero API
      *
-     * @property string UpdatedDateUTC
+     * @property \DateTime UpdatedDateUTC
      * @deprecated
      */
 
@@ -99,7 +99,7 @@ public static function getProperties() {
             'UnitPrice' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'AccountCode' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'TaxType' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_STRING, null, false, false)
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false)
         );
     }
 
@@ -159,7 +159,7 @@ public function setTaxType($value) {
     }
 
     /**
-     * @return string
+     * @return \DateTime
      * @deprecated
      */
     public function getUpdatedDateUTC() {
@@ -167,11 +167,11 @@ public function getUpdatedDateUTC() {
     }
 
     /**
-     * @param string $value
+     * @param \DateTime $value
      * @return Sale
      * @deprecated
      */
-    public function setUpdatedDateUTC($value) {
+    public function setUpdatedDateUTC(\DateTime $value) {
         $this->propertyUpdated('UpdatedDateUTC', $value);
         $this->_data['UpdatedDateUTC'] = $value;
         return $this;
diff --git a/src/XeroPHP/Models/Accounting/Organisation.php b/src/XeroPHP/Models/Accounting/Organisation.php
index 8dadd768..92452eb4 100644
--- a/src/XeroPHP/Models/Accounting/Organisation.php
+++ b/src/XeroPHP/Models/Accounting/Organisation.php
@@ -268,7 +268,7 @@ public static function getProperties() {
             'SalesTaxPeriod' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
             'PeriodLockDate' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'EndOfYearLockDate' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
-            'CreatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'CreatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'OrganisationEntityType' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
             'Timezone' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'ShortCode' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
diff --git a/src/XeroPHP/Models/Accounting/Overpayment.php b/src/XeroPHP/Models/Accounting/Overpayment.php
index b92130e2..3978ff40 100644
--- a/src/XeroPHP/Models/Accounting/Overpayment.php
+++ b/src/XeroPHP/Models/Accounting/Overpayment.php
@@ -205,7 +205,7 @@ public static function getProperties() {
             'SubTotal' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
             'TotalTax' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
             'Total' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'CurrencyCode' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'FullyPaidOnDate' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
             'OverpaymentID' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
diff --git a/src/XeroPHP/Models/Accounting/Payment.php b/src/XeroPHP/Models/Accounting/Payment.php
index d4e05c9b..78d400e7 100644
--- a/src/XeroPHP/Models/Accounting/Payment.php
+++ b/src/XeroPHP/Models/Accounting/Payment.php
@@ -189,7 +189,7 @@ public static function getProperties() {
             'IsReconciled' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'Status' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
             'PaymentType' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'PaymentID' => array (false, self::PROPERTY_TYPE_STRING, null, false, false)
         );
     }
diff --git a/src/XeroPHP/Models/Accounting/Prepayment.php b/src/XeroPHP/Models/Accounting/Prepayment.php
index 0ae6dce1..d3f6a96b 100644
--- a/src/XeroPHP/Models/Accounting/Prepayment.php
+++ b/src/XeroPHP/Models/Accounting/Prepayment.php
@@ -205,7 +205,7 @@ public static function getProperties() {
             'SubTotal' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
             'TotalTax' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
             'Total' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'CurrencyCode' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'FullyPaidOnDate' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
             'PrepaymentID' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
diff --git a/src/XeroPHP/Models/Accounting/User.php b/src/XeroPHP/Models/Accounting/User.php
index 4e03901c..5c96cbca 100644
--- a/src/XeroPHP/Models/Accounting/User.php
+++ b/src/XeroPHP/Models/Accounting/User.php
@@ -117,7 +117,7 @@ public static function getProperties() {
             'EmailAddress' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'FirstName' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'LastName' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'IsSubscriber' => array (false, self::PROPERTY_TYPE_BOOLEAN, null, false, false),
             'OrganisationRole' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false)
         );
diff --git a/src/XeroPHP/Models/Files/File.php b/src/XeroPHP/Models/Files/File.php
index 2c2b7964..e5fae1db 100644
--- a/src/XeroPHP/Models/Files/File.php
+++ b/src/XeroPHP/Models/Files/File.php
@@ -127,7 +127,7 @@ public static function getProperties() {
             'FolderId' => array (false, self::PROPERTY_TYPE_OBJECT, 'Files\\Folder', false, false),
             'MimeType' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'Size' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
-            'CreatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
+            'CreatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
             'User' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'Id' => array (false, self::PROPERTY_TYPE_GUID, null, false, false)
diff --git a/src/XeroPHP/Models/PayrollAU/Employee.php b/src/XeroPHP/Models/PayrollAU/Employee.php
index 4494ba34..54df77b3 100644
--- a/src/XeroPHP/Models/PayrollAU/Employee.php
+++ b/src/XeroPHP/Models/PayrollAU/Employee.php
@@ -274,7 +274,7 @@ public static function getProperties() {
             'TerminationDate' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false),
             'EmployeeID' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'Status' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false)
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false)
         );
     }
 
diff --git a/src/XeroPHP/Models/PayrollUS/Employee.php b/src/XeroPHP/Models/PayrollUS/Employee.php
index 636a47b2..7c8b0693 100644
--- a/src/XeroPHP/Models/PayrollUS/Employee.php
+++ b/src/XeroPHP/Models/PayrollUS/Employee.php
@@ -275,7 +275,7 @@ public static function getProperties() {
             'OpeningBalances' => array (false, self::PROPERTY_TYPE_OBJECT, 'PayrollUS\\Employee\\OpeningBalance', true, false),
             'EmployeeID' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
             'Status' => array (false, self::PROPERTY_TYPE_ENUM, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_DATE, '\\DateTime', false, false)
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false)
         );
     }
 
diff --git a/src/XeroPHP/Models/PayrollUS/Paystub.php b/src/XeroPHP/Models/PayrollUS/Paystub.php
index a18e479f..c830c3eb 100644
--- a/src/XeroPHP/Models/PayrollUS/Paystub.php
+++ b/src/XeroPHP/Models/PayrollUS/Paystub.php
@@ -83,7 +83,7 @@ class Paystub extends Remote\Object {
     /**
      * 
      *
-     * @property string UpdatedDateUTC
+     * @property \DateTime UpdatedDateUTC
      */
 
     /**
@@ -204,7 +204,7 @@ public static function getProperties() {
             'Tax' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
             'Reimbursements' => array (false, self::PROPERTY_TYPE_FLOAT, null, true, false),
             'NetPay' => array (false, self::PROPERTY_TYPE_FLOAT, null, false, false),
-            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_STRING, null, false, false),
+            'UpdatedDateUTC' => array (false, self::PROPERTY_TYPE_TIMESTAMP, '\\DateTime', false, false),
             'EarningsLines' => array (false, self::PROPERTY_TYPE_OBJECT, 'PayrollUS\\Paystub\\EarningsLine', true, false),
             'LeaveEarningsLines' => array (false, self::PROPERTY_TYPE_OBJECT, 'PayrollUS\\Paystub\\LeaveEarningsLine', true, false),
             'TimesheetEarningsLines' => array (false, self::PROPERTY_TYPE_OBJECT, 'PayrollUS\\Paystub\\TimesheetEarningsLine', true, false),
@@ -410,17 +410,17 @@ public function setNetPay($value) {
     }
 
     /**
-     * @return string
+     * @return \DateTime
      */
     public function getUpdatedDateUTC() {
         return $this->_data['UpdatedDateUTC'];
     }
 
     /**
-     * @param string $value
+     * @param \DateTime $value
      * @return Paystub
      */
-    public function setUpdatedDateUTC($value) {
+    public function setUpdatedDateUTC(\DateTime $value) {
         $this->propertyUpdated('UpdatedDateUTC', $value);
         $this->_data['UpdatedDateUTC'] = $value;
         return $this;
diff --git a/src/XeroPHP/Remote/Object.php b/src/XeroPHP/Remote/Object.php
index dc8eab07..7f09b700 100644
--- a/src/XeroPHP/Remote/Object.php
+++ b/src/XeroPHP/Remote/Object.php
@@ -26,14 +26,15 @@ abstract class Object implements ObjectInterface, \JsonSerializable, \ArrayAcces
     /**
      *
      */
-    const PROPERTY_TYPE_STRING  = 'string';
-    const PROPERTY_TYPE_INT     = 'int';
-    const PROPERTY_TYPE_FLOAT   = 'float';
-    const PROPERTY_TYPE_BOOLEAN = 'bool';
-    const PROPERTY_TYPE_ENUM    = 'enum';
-    const PROPERTY_TYPE_GUID    = 'guid';
-    const PROPERTY_TYPE_DATE    = 'date';
-    const PROPERTY_TYPE_OBJECT  = 'object';
+    const PROPERTY_TYPE_STRING    = 'string';
+    const PROPERTY_TYPE_INT       = 'int';
+    const PROPERTY_TYPE_FLOAT     = 'float';
+    const PROPERTY_TYPE_BOOLEAN   = 'bool';
+    const PROPERTY_TYPE_ENUM      = 'enum';
+    const PROPERTY_TYPE_GUID      = 'guid';
+    const PROPERTY_TYPE_DATE      = 'date';
+    const PROPERTY_TYPE_TIMESTAMP = 'timestamp';
+    const PROPERTY_TYPE_OBJECT    = 'object';
 
     /**
      * Container to the actual properties of the object
@@ -238,6 +239,7 @@ public static function castToString($type, $value) {
                 return $value ? 'true' : 'false';
 
             case self::PROPERTY_TYPE_DATE:
+            case self::PROPERTY_TYPE_TIMESTAMP:
                 /** @var \DateTime $value */
                 return $value->format('c');
 
@@ -260,6 +262,9 @@ public static function castToString($type, $value) {
      */
     public static function castFromString($type, $value, $php_type) {
 
+        //Here should maybe handle locale specific tz overrides in the future.
+        $timezone = null;
+
         switch($type) {
 
             case self::PROPERTY_TYPE_INT:
@@ -271,10 +276,12 @@ public static function castFromString($type, $value, $php_type) {
             case self::PROPERTY_TYPE_BOOLEAN:
                 return in_array(strtolower($value), array('true', '1', 'yes'));
 
+            case self::PROPERTY_TYPE_TIMESTAMP:
+                $timezone = new \DateTimeZone('UTC');
             case self::PROPERTY_TYPE_DATE:
                 if(preg_match('/Date\((?<timestamp>[0-9\+\.]+)\)/', $value, $matches)) //to catch stupid .net date serialisation
                     $value = $matches['timestamp'];
-                return new \DateTime($value);
+                return new \DateTime($value, $timezone);
 
             case self::PROPERTY_TYPE_OBJECT:
                 $php_type = sprintf('\\XeroPHP\\Models\\%s', $php_type);