diff --git a/composer.json b/composer.json
index 5c02f0e2aaf..2ed8498c30e 100644
--- a/composer.json
+++ b/composer.json
@@ -139,6 +139,7 @@
             "src/Illuminate/Filesystem/functions.php",
             "src/Illuminate/Foundation/helpers.php",
             "src/Illuminate/Log/functions.php",
+            "src/Illuminate/Support/Date/constants.php",
             "src/Illuminate/Support/functions.php",
             "src/Illuminate/Support/helpers.php"
         ],
diff --git a/src/Illuminate/Console/Scheduling/ManagesFrequencies.php b/src/Illuminate/Console/Scheduling/ManagesFrequencies.php
index d974a91b769..ac6279a1512 100644
--- a/src/Illuminate/Console/Scheduling/ManagesFrequencies.php
+++ b/src/Illuminate/Console/Scheduling/ManagesFrequencies.php
@@ -2,11 +2,14 @@
 
 namespace Illuminate\Console\Scheduling;
 
+use Illuminate\Console\Scheduling\ValidatesFrequencies;
 use Illuminate\Support\Carbon;
 use InvalidArgumentException;
 
 trait ManagesFrequencies
 {
+    use ValidatesFrequencies;
+
     /**
      * The Cron expression representing the event's frequency.
      *
@@ -386,6 +389,14 @@ public function twiceDailyAt($first = 1, $second = 13, $offset = 0)
      */
     protected function hourBasedSchedule($minutes, $hours)
     {
+        if (is_array($hours) || is_int($hours)) {
+            array_walk((array)$hours, $this->validateHour(...));
+        }
+
+        if (is_array($minutes) || is_int($minutes)) {
+            array_walk((array)$minutes, $this->validateMinute(...));
+        }
+
         $minutes = is_array($minutes) ? implode(',', $minutes) : $minutes;
 
         $hours = is_array($hours) ? implode(',', $hours) : $hours;
@@ -533,6 +544,8 @@ public function monthlyOn($dayOfMonth = 1, $time = '0:0')
     {
         $this->dailyAt($time);
 
+        $this->validateDayOfMonth($dayOfMonth);
+
         return $this->spliceIntoPosition(3, $dayOfMonth);
     }
 
@@ -546,6 +559,8 @@ public function monthlyOn($dayOfMonth = 1, $time = '0:0')
      */
     public function twiceMonthly($first = 1, $second = 16, $time = '0:0')
     {
+        array_walk([$first, $second], $this->validateDayOfMonth(...));
+
         $daysOfMonth = $first.','.$second;
 
         $this->dailyAt($time);
@@ -619,6 +634,12 @@ public function yearlyOn($month = 1, $dayOfMonth = 1, $time = '0:0')
     {
         $this->dailyAt($time);
 
+        $this->validateMonth($month);
+
+        if (is_int($dayOfMonth)) {
+            $this->validateDayOfMonth($dayOfMonth);
+        }
+
         return $this->spliceIntoPosition(3, $dayOfMonth)
                     ->spliceIntoPosition(4, $month);
     }
@@ -633,6 +654,8 @@ public function days($days)
     {
         $days = is_array($days) ? $days : func_get_args();
 
+        array_walk($days, $this->validateDayOfWeek(...));
+
         return $this->spliceIntoPosition(5, implode(',', $days));
     }
 
diff --git a/src/Illuminate/Console/Scheduling/ValidatesFrequencies.php b/src/Illuminate/Console/Scheduling/ValidatesFrequencies.php
new file mode 100644
index 00000000000..e036fa17a17
--- /dev/null
+++ b/src/Illuminate/Console/Scheduling/ValidatesFrequencies.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Illuminate\Console\Scheduling;
+
+use InvalidArgumentException;
+
+use const Illuminate\Support\Date\{DAYS_PER_WEEK, HOURS_PER_DAY, MONTHS_PER_YEAR};
+
+trait ValidatesFrequencies
+{
+    /**
+     * @param int $hours
+     */
+    protected function validateHour(int $hour)
+    {
+        if ($hour < 0 || $hour > HOURS_PER_DAY) {
+            throw new InvalidArgumentException("Hour cron expression component must be between 0 and " . HOURS_PER_DAY . ". [$hour] given");
+        }
+    }
+
+    /**
+     * @param int $dayOfWeek
+     */
+    protected function validateDayOfWeek(int $dayOfWeek)
+    {
+        if ($dayOfWeek < 0 || $dayOfWeek > DAYS_PER_WEEK) {
+            throw new InvalidArgumentException("Day of week cron expression component must be between 0 and " . DAYS_PER_WEEK . ". [$dayOfWeek] given");
+        }
+    }
+
+    /**
+     * @param int $month
+     */
+    protected function validateMonth(int $month)
+    {
+        if ($month < 0 || $month > MONTHS_PER_YEAR) {
+            throw new InvalidArgumentException("Month cron expression component must be between 0 and " . MONTHS_PER_YEAR . ". [$month] given");
+        }
+    }
+
+    /**
+     * @param int $month
+     */
+    protected function validateDayOfMonth(int $dayOfMonth)
+    {
+        if ($month < 0 || $month > MONTHS_PER_YEAR) {
+            throw new InvalidArgumentException("Month cron expression component must be between 0 and " . MONTHS_PER_YEAR . ". [$month] given");
+        }
+    }
+}
diff --git a/src/Illuminate/Support/Date/constants.php b/src/Illuminate/Support/Date/constants.php
new file mode 100644
index 00000000000..9e7b165b491
--- /dev/null
+++ b/src/Illuminate/Support/Date/constants.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Illuminate\Support\Date;
+
+if (! defined(__NAMESPACE__.'\\'.($constant = 'SECONDS_PER_MINUTE'))) {
+    define(__NAMESPACE__.'\\'.$constant, 60);
+}
+
+if (! defined(__NAMESPACE__.'\\'.($constant = 'MINUTES_PER_HOUR'))) {
+    define(__NAMESPACE__.'\\'.$constant, 60);
+}
+
+if (! defined(__NAMESPACE__.'\\'.($constant = 'HOURS_PER_DAY'))) {
+    define(__NAMESPACE__.'\\'.$constant, 24);
+}
+
+if (! defined(__NAMESPACE__.'\\'.($constant = 'DAYS_PER_WEEK'))) {
+    define(__NAMESPACE__.'\\'.$constant, 7);
+}
+
+if (! defined(__NAMESPACE__.'\\'.($constant = 'MONTHS_PER_YEAR'))) {
+    define(__NAMESPACE__.'\\'.$constant, 12);
+}