diff --git a/src/Illuminate/Validation/Validator.php b/src/Illuminate/Validation/Validator.php
index bfff81b645b2..e39f05490641 100755
--- a/src/Illuminate/Validation/Validator.php
+++ b/src/Illuminate/Validation/Validator.php
@@ -7,6 +7,7 @@
 use Countable;
 use Exception;
 use DateTimeZone;
+use Carbon\Carbon;
 use RuntimeException;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Str;
@@ -1425,7 +1426,7 @@ protected function validateBefore($attribute, $value, $parameters)
     {
         $this->requireParameterCount(1, $parameters, 'before');
 
-        if (! is_string($value) && ! is_numeric($value)) {
+        if (! is_string($value) && ! is_numeric($value) && ! $value instanceof Carbon) {
             return false;
         }
 
@@ -1467,7 +1468,7 @@ protected function validateAfter($attribute, $value, $parameters)
     {
         $this->requireParameterCount(1, $parameters, 'after');
 
-        if (! is_string($value) && ! is_numeric($value)) {
+        if (! is_string($value) && ! is_numeric($value) && ! $value instanceof Carbon) {
             return false;
         }
 
diff --git a/tests/Validation/ValidationValidatorTest.php b/tests/Validation/ValidationValidatorTest.php
index 009a2c8896c2..3bef7b8fa6b7 100755
--- a/tests/Validation/ValidationValidatorTest.php
+++ b/tests/Validation/ValidationValidatorTest.php
@@ -1,6 +1,7 @@
 <?php
 
 use Mockery as m;
+use Carbon\Carbon;
 use Illuminate\Validation\Validator;
 use Symfony\Component\HttpFoundation\File\File;
 
@@ -1359,12 +1360,24 @@ public function testBeforeAndAfter()
         $v = new Validator($trans, ['x' => ['2000-01-01']], ['x' => 'Before:2012-01-01']);
         $this->assertFalse($v->passes());
 
+        $v = new Validator($trans, ['x' => new Carbon('2000-01-01')], ['x' => 'Before:2012-01-01']);
+        $this->assertTrue($v->passes());
+
+        $v = new Validator($trans, ['x' => [new Carbon('2000-01-01')]], ['x' => 'Before:2012-01-01']);
+        $this->assertFalse($v->passes());
+
         $v = new Validator($trans, ['x' => '2012-01-01'], ['x' => 'After:2000-01-01']);
         $this->assertTrue($v->passes());
 
         $v = new Validator($trans, ['x' => ['2012-01-01']], ['x' => 'After:2000-01-01']);
         $this->assertFalse($v->passes());
 
+        $v = new Validator($trans, ['x' => new Carbon('2012-01-01')], ['x' => 'After:2000-01-01']);
+        $this->assertTrue($v->passes());
+
+        $v = new Validator($trans, ['x' => [new Carbon('2012-01-01')]], ['x' => 'After:2000-01-01']);
+        $this->assertFalse($v->passes());
+
         $v = new Validator($trans, ['start' => '2012-01-01', 'ends' => '2013-01-01'], ['start' => 'After:2000-01-01', 'ends' => 'After:start']);
         $this->assertTrue($v->passes());