ACP2E-1068: Incorrect Dashboard YTD values

Author: glo23503

app/code/Magento/Reports/Model/ResourceModel/Order/Collection.php

@@ -425,6 +425,7 @@ public function getDateRange($range, $customStart, $customEnd, $returnObjects =
                 $dateEnd->modify('now');
                 break;
             case '24h':
+                $dateEnd = new \DateTime('now', new \DateTimeZone($timezoneLocal));
                 $dateEnd->modify('+1 hour');
                 $dateStart = clone $dateEnd;
                 $dateStart->modify('-1 day');

app/code/Magento/Reports/Test/Unit/Model/ResourceModel/Order/CollectionTest.php

@@ -286,11 +286,8 @@ public function testPrepareSummary($useAggregatedData, $mainTable, $isFilter, $g
      */
     public function testGetDateRangeFirstPart($range, $customStart, $customEnd, $expectedInterval): void
     {
-        $timeZoneToReturn = date_default_timezone_get();
-        date_default_timezone_set('UTC');
         $result = $this->collection->getDateRange($range, $customStart, $customEnd);
         $interval = $result['to']->diff($result['from']);
-        date_default_timezone_set($timeZoneToReturn);
         $intervalResult = $interval->format('%y %m %d %h:%i:%s');
         $this->assertEquals($expectedInterval, $intervalResult);
     }