diff --git a/Controller/Adminhtml/Cron/LongJobChecker.php b/Controller/Adminhtml/Cron/LongJobChecker.php
index 280d391..c8f9116 100644
--- a/Controller/Adminhtml/Cron/LongJobChecker.php
+++ b/Controller/Adminhtml/Cron/LongJobChecker.php
@@ -79,7 +79,7 @@ public function execute()
         foreach ($jobs as $job) {
             $pid = $job->getPid();
 
-            $finished_at = strftime('%Y-%m-%d %H:%M:%S', $this->dateTime->gmtTimestamp());
+            $finished_at = date('Y-m-d H:i:s', $this->dateTime->gmtTimestamp());
             if (function_exists('posix_getsid') && posix_getsid($pid) === false) {
                 $job->setData('status', \Magento\Cron\Model\Schedule::STATUS_ERROR);
                 $job->setData('messages', __('Execution stopped due to some error.'));
diff --git a/Controller/Adminhtml/Schedule/MassKill.php b/Controller/Adminhtml/Schedule/MassKill.php
index f995ed9..bf9e0d0 100644
--- a/Controller/Adminhtml/Schedule/MassKill.php
+++ b/Controller/Adminhtml/Schedule/MassKill.php
@@ -119,7 +119,7 @@ public function execute()
                 if (function_exists('posix_getsid') && posix_getsid($pid) === false) {
                     $errorScheduleIds[] = $scheduleId;
                 } else {
-                    $finished_at = strftime('%Y-%m-%d %H:%M:%S', $this->dateTime->gmtTimestamp());
+                    $finished_at = date('Y-m-d H:i:s', $this->dateTime->gmtTimestamp());
                     $dbrunningjobs->setData('status', self::STATUS_KILLED);
                     $dbrunningjobs->setData('messages', __('It is killed by admin.'));
                     $dbrunningjobs->setData('finished_at', $finished_at);
diff --git a/Helper/Schedule.php b/Helper/Schedule.php
index e97c7ea..f6cda37 100644
--- a/Helper/Schedule.php
+++ b/Helper/Schedule.php
@@ -125,7 +125,7 @@ public function filterTimeInput($time)
         $matches = [];
         preg_match('/(\d+-\d+-\d+)T(\d+:\d+)/', $time, $matches);
         $time = $matches[1] . " " . $matches[2];
-        return strftime('%Y-%m-%d %H:%M:00', strtotime($time));
+        return date('Y-m-d H:i:s:00', strtotime($time));
     }
 
     /**
diff --git a/Observer/ProcessCronQueueObserver.php b/Observer/ProcessCronQueueObserver.php
index 68ae9fc..cb73a33 100644
--- a/Observer/ProcessCronQueueObserver.php
+++ b/Observer/ProcessCronQueueObserver.php
@@ -144,7 +144,7 @@ protected function _runJob($scheduledTime, $currentTime, $jobConfig, $schedule,
             );
         }
 
-        $schedule->setExecutedAt(strftime('%Y-%m-%d %H:%M:%S', $this->dateTime->gmtTimestamp()))->save();
+        $schedule->setExecutedAt(date('Y-m-d H:i:s', $this->dateTime->gmtTimestamp()))->save();
 
         $this->startProfiling();
         try {
@@ -176,8 +176,8 @@ protected function _runJob($scheduledTime, $currentTime, $jobConfig, $schedule,
         $schedule->setStatus(
             Schedule::STATUS_SUCCESS
         )->setFinishedAt(
-            strftime(
-                '%Y-%m-%d %H:%M:%S',
+            date(
+                'Y-m-d H:i:s',
                 $this->dateTime->gmtTimestamp()
             )
         );
diff --git a/Ui/DataProvider/JobProvider.php b/Ui/DataProvider/JobProvider.php
index 3c6d6e6..90280d9 100644
--- a/Ui/DataProvider/JobProvider.php
+++ b/Ui/DataProvider/JobProvider.php
@@ -119,11 +119,7 @@ public function getData()
         $sortField = $this->sortField;
         $sortDir = $this->sortDir;
         usort($data, function ($a, $b) use ($sortField, $sortDir) {
-            if ($sortDir == "asc") {
-                return $a[$sortField] > $b[$sortField];
-            } else {
-                return $a[$sortField] < $b[$sortField];
-            }
+            return ($a[$sortField] <=> $b[$sortField]) * ($sortDir == 'desc' ? -1 : 1);
         });
 
         #filters
diff --git a/composer.json b/composer.json
index e69c8f4..31417f5 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "kiwicommerce/module-cron-scheduler",
     "description": "Easily set up and manage cron jobs from the backend with a beautiful and managed timeline feature. Find the actual load on CPU/Memory by cron job execution.",
     "type": "magento2-module",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "license": [
         "OSL-3.0"
     ],
diff --git a/etc/module.xml b/etc/module.xml
index 60fbfc1..2425b8a 100644
--- a/etc/module.xml
+++ b/etc/module.xml
@@ -14,7 +14,7 @@
  */
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-    <module name="KiwiCommerce_CronScheduler" setup_version="1.0.8" active="true">
+    <module name="KiwiCommerce_CronScheduler" setup_version="1.0.9" active="true">
         <sequence>
             <module name="Magento_Cron"/>
         </sequence>