diff --git a/src/Traits/PayPalAPI/Reporting.php b/src/Traits/PayPalAPI/Reporting.php
index 3ae76bc7..160a7255 100644
--- a/src/Traits/PayPalAPI/Reporting.php
+++ b/src/Traits/PayPalAPI/Reporting.php
@@ -46,7 +46,7 @@ public function listTransactions(array $filters, string $fields = 'all')
      */
     public function listBalances(string $date = '', string $balance_currency = '')
     {
-        $date = empty($date) ? Carbon::now()->toIso8601String() : Carbon::parse($date)->toIso8601String();
+        $date = empty($date) ? Carbon::now()->toIso8601ZuluString() : Carbon::parse($date)->toIso8601ZuluString();
         $currency = empty($balance_currency) ? $this->getCurrency() : $balance_currency;
 
         $this->apiEndPoint = "v1/reporting/balances?currency_code={$currency}&as_of_time={$date}";