diff --git a/src/Jobs/Schedule.php b/src/Jobs/Schedule.php
index 727c6e8..c0ca12e 100644
--- a/src/Jobs/Schedule.php
+++ b/src/Jobs/Schedule.php
@@ -135,6 +135,16 @@ public function monthly(): self
         return $this;
     }
 
+    /**
+     * Sets the cron to work just on week days
+     * @return $this
+     */
+    public function onlyWeekDays(): self
+    {
+        $this->cron->setPart(4, "1-5");
+        return $this;
+    }
+
     /**
      * @param int $value
      * @param int $position
@@ -177,22 +187,23 @@ public function setExpression(string $expression = "* * * * *"): self
     /**
      * Return true if the schedule is due to now
      * @param $currentTime
+     * @param string $timeZone
      * @return bool
      */
-    public function isDue($currentTime = 'now'): bool
+    public function isDue($currentTime = 'now', string $timeZone = "Europe/Berlin"): bool
     {
-        return $this->cron->isDue($currentTime);
+        return $this->cron->isDue($currentTime, $timeZone);
     }
 
     /**
-     * Sets whether the job should run on just one instance
-     * @param bool $decision
-     * @return $this
+     * Return the next run date
+     * @param $currentTime
+     * @param string $timeZone
+     * @return \DateTime
      */
-    public function shouldRunOnOnlyOneInstance(bool $decision = true): self
+    public function getNextRunDate($currentTime = 'now', string $timeZone = "Europe/Berlin"): \DateTime
     {
-        $this->shouldRunOnOnlyOneServer = $decision;
-        return $this;
+        return $this->cron->getNextRunDate($currentTime, 0, false, $timeZone);
     }
 
     /**