diff --git a/src/Event.php b/src/Event.php
index bba5b13..34904e3 100644
--- a/src/Event.php
+++ b/src/Event.php
@@ -18,6 +18,8 @@
  */
 class Event extends Component
 {
+    use ManagesFrequencies;
+
     const EVENT_BEFORE_RUN = 'beforeRun';
     const EVENT_AFTER_RUN = 'afterRun';
 
@@ -31,7 +33,7 @@ class Event extends Component
      *
      * @var string
      */
-    protected $_expression = '* * * * * *';
+    protected $_expression = '* * * * *';
     /**
      * The timezone the date should be evaluated on.
      *
@@ -83,7 +85,7 @@ class Event extends Component
     /**
      * The mutex implementation.
      *
-     * @var \yii\mutex\Mutex
+     * @var Mutex
      */
     protected $_mutex;
 
@@ -112,6 +114,7 @@ public function __construct(Mutex $mutex, $command, $config = [])
     /**
      * Run the given event.
      * @param Application $app
+     * @throws InvalidConfigException
      */
     public function run(Application $app)
     {
@@ -138,6 +141,7 @@ protected function mutexName()
      * Run the command in the foreground.
      *
      * @param Application $app
+     * @throws InvalidConfigException
      */
     protected function runCommandInForeground(Application $app)
     {
@@ -222,284 +226,6 @@ protected function filtersPass(Application $app)
         return true;
     }
 
-    /**
-     * Schedule the event to run hourly.
-     *
-     * @return $this
-     */
-    public function hourly()
-    {
-        return $this->cron('0 * * * * *');
-    }
-
-    /**
-     * The Cron expression representing the event's frequency.
-     *
-     * @param  string $expression
-     * @return $this
-     */
-    public function cron($expression)
-    {
-        $this->_expression = $expression;
-        return $this;
-    }
-
-    /**
-     * Schedule the event to run daily.
-     *
-     * @return $this
-     */
-    public function daily()
-    {
-        return $this->cron('0 0 * * * *');
-    }
-
-    /**
-     * Schedule the command at a given time.
-     *
-     * @param  string $time
-     * @return $this
-     */
-    public function at($time)
-    {
-        return $this->dailyAt($time);
-    }
-
-    /**
-     * Schedule the event to run daily at a given time (10:00, 19:30, etc).
-     *
-     * @param  string $time
-     * @return $this
-     */
-    public function dailyAt($time)
-    {
-        $segments = explode(':', $time);
-        return $this->spliceIntoPosition(2, (int)$segments[0])
-            ->spliceIntoPosition(1, count($segments) == 2 ? (int)$segments[1] : '0');
-    }
-
-    /**
-     * Splice the given value into the given position of the expression.
-     *
-     * @param  int $position
-     * @param  string $value
-     * @return Event
-     */
-    protected function spliceIntoPosition($position, $value)
-    {
-        $segments = explode(' ', $this->_expression);
-        $segments[$position - 1] = $value;
-        return $this->cron(implode(' ', $segments));
-    }
-
-    /**
-     * Schedule the event to run twice daily.
-     *
-     * @return $this
-     */
-    public function twiceDaily()
-    {
-        return $this->cron('0 1,13 * * * *');
-    }
-
-    /**
-     * Schedule the event to run only on weekdays.
-     *
-     * @return $this
-     */
-    public function weekdays()
-    {
-        return $this->spliceIntoPosition(5, '1-5');
-    }
-
-    /**
-     * Schedule the event to run only on Mondays.
-     *
-     * @return $this
-     */
-    public function mondays()
-    {
-        return $this->days(1);
-    }
-
-    /**
-     * Set the days of the week the command should run on.
-     *
-     * @param  array|int $days
-     * @return $this
-     */
-    public function days($days)
-    {
-        $days = is_array($days) ? $days : func_get_args();
-        return $this->spliceIntoPosition(5, implode(',', $days));
-    }
-
-    /**
-     * Schedule the event to run only on Tuesdays.
-     *
-     * @return $this
-     */
-    public function tuesdays()
-    {
-        return $this->days(2);
-    }
-
-    /**
-     * Schedule the event to run only on Wednesdays.
-     *
-     * @return $this
-     */
-    public function wednesdays()
-    {
-        return $this->days(3);
-    }
-
-    /**
-     * Schedule the event to run only on Thursdays.
-     *
-     * @return $this
-     */
-    public function thursdays()
-    {
-        return $this->days(4);
-    }
-
-    /**
-     * Schedule the event to run only on Fridays.
-     *
-     * @return $this
-     */
-    public function fridays()
-    {
-        return $this->days(5);
-    }
-
-    /**
-     * Schedule the event to run only on Saturdays.
-     *
-     * @return $this
-     */
-    public function saturdays()
-    {
-        return $this->days(6);
-    }
-
-    /**
-     * Schedule the event to run only on Sundays.
-     *
-     * @return $this
-     */
-    public function sundays()
-    {
-        return $this->days(0);
-    }
-
-    /**
-     * Schedule the event to run weekly.
-     *
-     * @return $this
-     */
-    public function weekly()
-    {
-        return $this->cron('0 0 * * 0 *');
-    }
-
-    /**
-     * Schedule the event to run weekly on a given day and time.
-     *
-     * @param  int $day
-     * @param  string $time
-     * @return $this
-     */
-    public function weeklyOn($day, $time = '0:0')
-    {
-        $this->dailyAt($time);
-        return $this->spliceIntoPosition(5, $day);
-    }
-
-    /**
-     * Schedule the event to run monthly.
-     *
-     * @return $this
-     */
-    public function monthly()
-    {
-        return $this->cron('0 0 1 * * *');
-    }
-
-    /**
-     * Schedule the event to run yearly.
-     *
-     * @return $this
-     */
-    public function yearly()
-    {
-        return $this->cron('0 0 1 1 * *');
-    }
-
-    /**
-     * Schedule the event to run every minute.
-     *
-     * @return $this
-     */
-    public function everyMinute()
-    {
-        return $this->cron('* * * * * *');
-    }
-
-    /**
-     * Schedule the event to run every N minutes.
-     *
-     * @param int|string $minutes
-     * @return $this
-     */
-    public function everyNMinutes($minutes)
-    {
-        return $this->cron('*/'.$minutes.' * * * * *');
-    }
-
-    /**
-     * Schedule the event to run every five minutes.
-     *
-     * @return $this
-     */
-    public function everyFiveMinutes()
-    {
-        return $this->everyNMinutes(5);
-    }
-
-    /**
-     * Schedule the event to run every ten minutes.
-     *
-     * @return $this
-     */
-    public function everyTenMinutes()
-    {
-        return $this->everyNMinutes(10);
-    }
-
-    /**
-     * Schedule the event to run every thirty minutes.
-     *
-     * @return $this
-     */
-    public function everyThirtyMinutes()
-    {
-        return $this->cron('0,30 * * * * *');
-    }
-
-    /**
-     * Set the timezone the date should be evaluated on.
-     *
-     * @param  \DateTimeZone|string $timezone
-     * @return $this
-     */
-    public function timezone($timezone)
-    {
-        $this->_timezone = $timezone;
-        return $this;
-    }
-
     /**
      * Set which user the command should run as.
      *
diff --git a/src/ManagesFrequencies.php b/src/ManagesFrequencies.php
new file mode 100644
index 0000000..f9922d6
--- /dev/null
+++ b/src/ManagesFrequencies.php
@@ -0,0 +1,384 @@
+<?php
+
+namespace omnilight\scheduling;
+
+/**
+ * @property string $_expression
+ * @property \DateTimeZone|string $_timezone
+ */
+trait ManagesFrequencies
+{
+    /**
+     * The Cron expression representing the event's frequency.
+     *
+     * @param string $expression
+     * @return $this
+     */
+    public function cron($expression)
+    {
+        $this->_expression = $expression;
+
+        return $this;
+    }
+
+    /**
+     * Schedule the event to run every minute.
+     *
+     * @return $this
+     */
+    public function everyMinute()
+    {
+        return $this->spliceIntoPosition(1, '*');
+    }
+
+    /**
+     * Schedule the event to run every N minutes.
+     *
+     * @param int $minutes
+     * @return $this
+     */
+    public function everyNMinutes($minutes)
+    {
+        return $this->spliceIntoPosition(1, '*/' . $minutes);
+    }
+
+    /**
+     * Schedule the event to run every five minutes.
+     *
+     * @return $this
+     */
+    public function everyFiveMinutes()
+    {
+        return $this->everyNMinutes(5);
+    }
+
+    /**
+     * Schedule the event to run every ten minutes.
+     *
+     * @return $this
+     */
+    public function everyTenMinutes()
+    {
+        return $this->everyNMinutes(10);
+    }
+
+    /**
+     * Schedule the event to run every fifteen minutes.
+     *
+     * @return $this
+     */
+    public function everyFifteenMinutes()
+    {
+        return $this->everyNMinutes(15);
+    }
+
+    /**
+     * Schedule the event to run every thirty minutes.
+     *
+     * @return $this
+     */
+    public function everyThirtyMinutes()
+    {
+        return $this->everyNMinutes(30);
+    }
+
+    /**
+     * Schedule the event to run hourly.
+     *
+     * @return $this
+     */
+    public function hourly()
+    {
+        return $this->spliceIntoPosition(1, 0);
+    }
+
+    /**
+     * Schedule the event to run hourly at a given offset in the hour.
+     *
+     * @param array|int $offset
+     * @return $this
+     */
+    public function hourlyAt($offset)
+    {
+        $offset = is_array($offset) ? implode(',', $offset) : $offset;
+
+        return $this->spliceIntoPosition(1, $offset);
+    }
+
+    /**
+     * Schedule the event to run daily.
+     *
+     * @return $this
+     */
+    public function daily()
+    {
+        return $this->spliceIntoPosition(1, 0)
+            ->spliceIntoPosition(2, 0);
+    }
+
+    /**
+     * Schedule the command at a given time.
+     *
+     * @param string $time
+     * @return $this
+     */
+    public function at($time)
+    {
+        return $this->dailyAt($time);
+    }
+
+    /**
+     * Schedule the event to run daily at a given time (10:00, 19:30, etc).
+     *
+     * @param string $time
+     * @return $this
+     */
+    public function dailyAt($time)
+    {
+        $segments = explode(':', $time);
+
+        return $this->spliceIntoPosition(2, (int)$segments[0])
+            ->spliceIntoPosition(1, count($segments) === 2 ? (int)$segments[1] : '0');
+    }
+
+    /**
+     * Schedule the event to run twice daily.
+     *
+     * @param int $first
+     * @param int $second
+     * @return $this
+     */
+    public function twiceDaily($first = 1, $second = 13)
+    {
+        $hours = $first . ',' . $second;
+
+        return $this->spliceIntoPosition(1, 0)
+            ->spliceIntoPosition(2, $hours);
+    }
+
+    /**
+     * Schedule the event to run only on weekdays.
+     *
+     * @return $this
+     */
+    public function weekdays()
+    {
+        return $this->spliceIntoPosition(5, '1-5');
+    }
+
+    /**
+     * Schedule the event to run only on weekends.
+     *
+     * @return $this
+     */
+    public function weekends()
+    {
+        return $this->spliceIntoPosition(5, '0,6');
+    }
+
+    /**
+     * Schedule the event to run only on Mondays.
+     *
+     * @return $this
+     */
+    public function mondays()
+    {
+        return $this->days(1);
+    }
+
+    /**
+     * Schedule the event to run only on Tuesdays.
+     *
+     * @return $this
+     */
+    public function tuesdays()
+    {
+        return $this->days(2);
+    }
+
+    /**
+     * Schedule the event to run only on Wednesdays.
+     *
+     * @return $this
+     */
+    public function wednesdays()
+    {
+        return $this->days(3);
+    }
+
+    /**
+     * Schedule the event to run only on Thursdays.
+     *
+     * @return $this
+     */
+    public function thursdays()
+    {
+        return $this->days(4);
+    }
+
+    /**
+     * Schedule the event to run only on Fridays.
+     *
+     * @return $this
+     */
+    public function fridays()
+    {
+        return $this->days(5);
+    }
+
+    /**
+     * Schedule the event to run only on Saturdays.
+     *
+     * @return $this
+     */
+    public function saturdays()
+    {
+        return $this->days(6);
+    }
+
+    /**
+     * Schedule the event to run only on Sundays.
+     *
+     * @return $this
+     */
+    public function sundays()
+    {
+        return $this->days(0);
+    }
+
+    /**
+     * Schedule the event to run weekly.
+     *
+     * @return $this
+     */
+    public function weekly()
+    {
+        return $this->spliceIntoPosition(1, 0)
+            ->spliceIntoPosition(2, 0)
+            ->spliceIntoPosition(5, 0);
+    }
+
+    /**
+     * Schedule the event to run weekly on a given day and time.
+     *
+     * @param int $day
+     * @param string $time
+     * @return $this
+     */
+    public function weeklyOn($day, $time = '0:0')
+    {
+        $this->dailyAt($time);
+
+        return $this->spliceIntoPosition(5, $day);
+    }
+
+    /**
+     * Schedule the event to run monthly.
+     *
+     * @return $this
+     */
+    public function monthly()
+    {
+        return $this->spliceIntoPosition(1, 0)
+            ->spliceIntoPosition(2, 0)
+            ->spliceIntoPosition(3, 1);
+    }
+
+    /**
+     * Schedule the event to run monthly on a given day and time.
+     *
+     * @param int $day
+     * @param string $time
+     * @return $this
+     */
+    public function monthlyOn($day = 1, $time = '0:0')
+    {
+        $this->dailyAt($time);
+
+        return $this->spliceIntoPosition(3, $day);
+    }
+
+    /**
+     * Schedule the event to run twice monthly.
+     *
+     * @param int $first
+     * @param int $second
+     * @return $this
+     */
+    public function twiceMonthly($first = 1, $second = 16)
+    {
+        $days = $first . ',' . $second;
+
+        return $this->spliceIntoPosition(1, 0)
+            ->spliceIntoPosition(2, 0)
+            ->spliceIntoPosition(3, $days);
+    }
+
+    /**
+     * Schedule the event to run quarterly.
+     *
+     * @return $this
+     */
+    public function quarterly()
+    {
+        return $this->spliceIntoPosition(1, 0)
+            ->spliceIntoPosition(2, 0)
+            ->spliceIntoPosition(3, 1)
+            ->spliceIntoPosition(4, '1-12/3');
+    }
+
+    /**
+     * Schedule the event to run yearly.
+     *
+     * @return $this
+     */
+    public function yearly()
+    {
+        return $this->spliceIntoPosition(1, 0)
+            ->spliceIntoPosition(2, 0)
+            ->spliceIntoPosition(3, 1)
+            ->spliceIntoPosition(4, 1);
+    }
+
+    /**
+     * Set the days of the week the command should run on.
+     *
+     * @param array|mixed $days
+     * @return $this
+     */
+    public function days($days)
+    {
+        $days = is_array($days) ? $days : func_get_args();
+
+        return $this->spliceIntoPosition(5, implode(',', $days));
+    }
+
+    /**
+     * Set the timezone the date should be evaluated on.
+     *
+     * @param \DateTimeZone|string $timezone
+     * @return $this
+     */
+    public function timezone($timezone)
+    {
+        $this->_timezone = $timezone;
+
+        return $this;
+    }
+
+    /**
+     * Splice the given value into the given position of the expression.
+     *
+     * @param int $position
+     * @param string $value
+     * @return $this
+     */
+    protected function spliceIntoPosition($position, $value)
+    {
+        $segments = explode(' ', $this->_expression);
+
+        $segments[$position - 1] = $value;
+
+        return $this->cron(implode(' ', $segments));
+    }
+}
diff --git a/tests/FrequencyTest.php b/tests/FrequencyTest.php
new file mode 100644
index 0000000..0b8ae3b
--- /dev/null
+++ b/tests/FrequencyTest.php
@@ -0,0 +1,125 @@
+<?php
+
+namespace omnilight\scheduling\Tests;
+
+use omnilight\scheduling\Event;
+use yii\mutex\Mutex;
+
+class FrequencyTest extends \PHPUnit_Framework_TestCase
+{
+    /*
+     * @var Mutex
+     */
+    protected $mutex;
+
+    protected function setUp()
+    {
+        $this->mutex = $this->getMock(Mutex::className());
+    }
+
+    protected function getEvent()
+    {
+        return new Event(
+            $this->mutex,
+            ''
+        );
+    }
+
+    public function testEveryMinute()
+    {
+        $this->assertSame('* * * * *', $this->getEvent()->getExpression());
+        $this->assertSame('* * * * *', $this->getEvent()->everyMinute()->getExpression());
+    }
+
+    public function testEveryFiveMinutes()
+    {
+        $this->assertSame('*/5 * * * *', $this->getEvent()->everyFiveMinutes()->getExpression());
+    }
+
+    public function testDaily()
+    {
+        $this->assertSame('0 0 * * *', $this->getEvent()->daily()->getExpression());
+    }
+
+    public function testTwiceDaily()
+    {
+        $this->assertSame('0 3,15 * * *', $this->getEvent()->twiceDaily(3, 15)->getExpression());
+    }
+
+    public function testOverrideWithHourly()
+    {
+        $this->assertSame('0 * * * *', $this->getEvent()->everyFiveMinutes()->hourly()->getExpression());
+        $this->assertSame('37 * * * *', $this->getEvent()->hourlyAt(37)->getExpression());
+        $this->assertSame('15,30,45 * * * *', $this->getEvent()->hourlyAt([15, 30, 45])->getExpression());
+    }
+
+    public function testMonthlyOn()
+    {
+        $this->assertSame('0 15 4 * *', $this->getEvent()->monthlyOn(4, '15:00')->getExpression());
+    }
+
+    public function testTwiceMonthly()
+    {
+        $this->assertSame('0 0 1,16 * *', $this->getEvent()->twiceMonthly(1, 16)->getExpression());
+    }
+
+    public function testMonthlyOnWithMinutes()
+    {
+        $this->assertSame('15 15 4 * *', $this->getEvent()->monthlyOn(4, '15:15')->getExpression());
+    }
+
+    public function testWeekdaysDaily()
+    {
+        $this->assertSame('0 0 * * 1-5', $this->getEvent()->weekdays()->daily()->getExpression());
+    }
+
+    public function testWeekdaysHourly()
+    {
+        $this->assertSame('0 * * * 1-5', $this->getEvent()->weekdays()->hourly()->getExpression());
+    }
+
+    public function testWeekdays()
+    {
+        $this->assertSame('* * * * 1-5', $this->getEvent()->weekdays()->getExpression());
+    }
+
+    public function testSundays()
+    {
+        $this->assertSame('* * * * 0', $this->getEvent()->sundays()->getExpression());
+    }
+
+    public function testMondays()
+    {
+        $this->assertSame('* * * * 1', $this->getEvent()->mondays()->getExpression());
+    }
+
+    public function testTuesdays()
+    {
+        $this->assertSame('* * * * 2', $this->getEvent()->tuesdays()->getExpression());
+    }
+
+    public function testWednesdays()
+    {
+        $this->assertSame('* * * * 3', $this->getEvent()->wednesdays()->getExpression());
+    }
+
+    public function testThursdays()
+    {
+        $this->assertSame('* * * * 4', $this->getEvent()->thursdays()->getExpression());
+    }
+
+    public function testFridays()
+    {
+        $this->assertSame('* * * * 5', $this->getEvent()->fridays()->getExpression());
+    }
+
+    public function testSaturdays()
+    {
+        $this->assertSame('* * * * 6', $this->getEvent()->saturdays()->getExpression());
+    }
+
+    public function testQuarterly()
+    {
+        $this->assertSame('0 0 1 1-12/3 *', $this->getEvent()->quarterly()->getExpression());
+    }
+}