diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index 0f8822a906006..c45280b3691fc 100644
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -797,6 +797,10 @@ PHP_RSHUTDOWN_FUNCTION(date)
 
 #define DATE_FORMAT_ISO8601  "Y-m-d\\TH:i:sO"
 
+#define DATE_FORMAT_SQL      "Y-m-d"
+
+#define DATE_FORMAT_SQLTIMESTAMP "Y-m-d H:i:s"
+
 #define DATE_TZ_ERRMSG \
 	"It is not safe to rely on the system's timezone settings. You are " \
 	"*required* to use the date.timezone setting or the " \
@@ -842,6 +846,9 @@ PHP_MINIT_FUNCTION(date)
  */
 	REGISTER_STRING_CONSTANT("DATE_RSS",     DATE_FORMAT_RFC1123, CONST_CS | CONST_PERSISTENT);
 	REGISTER_STRING_CONSTANT("DATE_W3C",     DATE_FORMAT_RFC3339, CONST_CS | CONST_PERSISTENT);
+	
+	REGISTER_STRING_CONSTANT("DATE_SQL",     DATE_FORMAT_SQL,     CONST_CS | CONST_PERSISTENT);
+	REGISTER_STRING_CONSTANT("DATE_SQLTIMESTAMP", DATE_FORMAT_SQLTIMESTAMP, CONST_CS | CONST_PERSISTENT);
 
 	REGISTER_LONG_CONSTANT("SUNFUNCS_RET_TIMESTAMP", SUNFUNCS_RET_TIMESTAMP, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("SUNFUNCS_RET_STRING", SUNFUNCS_RET_STRING, CONST_CS | CONST_PERSISTENT);
@@ -2011,7 +2018,9 @@ static void date_register_classes(TSRMLS_D)
 	REGISTER_DATE_CLASS_CONST_STRING("RFC3339", DATE_FORMAT_RFC3339);
 	REGISTER_DATE_CLASS_CONST_STRING("RSS",     DATE_FORMAT_RFC1123);
 	REGISTER_DATE_CLASS_CONST_STRING("W3C",     DATE_FORMAT_RFC3339);
-
+	REGISTER_DATE_CLASS_CONST_STRING("SQL",     DATE_FORMAT_SQL);
+	REGISTER_DATE_CLASS_CONST_STRING("SQLTIMESTAMP", DATE_FORMAT_SQLTIMESTAMP);
+	
 	INIT_CLASS_ENTRY(ce_immutable, "DateTimeImmutable", date_funcs_immutable);
 	ce_immutable.create_object = date_object_new_date;
 	date_ce_immutable = zend_register_internal_class_ex(&ce_immutable, NULL, NULL TSRMLS_CC);
diff --git a/ext/date/tests/DateTime_format_basic2.phpt b/ext/date/tests/DateTime_format_basic2.phpt
index d7adaa5df8871..69f93436ab31e 100644
--- a/ext/date/tests/DateTime_format_basic2.phpt
+++ b/ext/date/tests/DateTime_format_basic2.phpt
@@ -21,10 +21,12 @@ var_dump( $date->format( DateTime::RFC822) ) ;
 var_dump( $date->format( DateTime::RFC850) ) ;
 var_dump( $date->format( DateTime::RFC1036) ) ;
 var_dump( $date->format( DateTime::RFC1123) ) ;
-var_dump( $date->format( DateTime:: RFC2822) ) ;
+var_dump( $date->format( DateTime::RFC2822) ) ;
 var_dump( $date->format( DateTime::RFC3339) ) ;
 var_dump( $date->format( DateTime::RSS) ) ;
 var_dump( $date->format( DateTime::W3C) ) ;
+var_dump( $date->format( DateTime::SQL) ) ;
+var_dump( $date->format( DateTime::SQLTIMESTAMP) ) ;
 
 ?>
 ===DONE===
@@ -41,4 +43,6 @@ string(31) "Thu, 14 Jul 2005 22:30:41 +0100"
 string(25) "2005-07-14T22:30:41+01:00"
 string(31) "Thu, 14 Jul 2005 22:30:41 +0100"
 string(25) "2005-07-14T22:30:41+01:00"
+string(10) "2005-07-14"
+string(19) "2005-07-14 22:30:41"
 ===DONE===
diff --git a/ext/date/tests/DateTime_verify.phpt b/ext/date/tests/DateTime_verify.phpt
index a03911f5c8298..955d88f24041d 100644
--- a/ext/date/tests/DateTime_verify.phpt
+++ b/ext/date/tests/DateTime_verify.phpt
@@ -156,7 +156,7 @@ array(18) {
   }
 }
 ..and get names of all its class constants
-array(11) {
+array(13) {
   ["ATOM"]=>
   string(13) "Y-m-d\TH:i:sP"
   ["COOKIE"]=>
@@ -179,5 +179,9 @@ array(11) {
   string(16) "D, d M Y H:i:s O"
   ["W3C"]=>
   string(13) "Y-m-d\TH:i:sP"
+  ["SQL"]=>
+  string(5) "Y-m-d"
+  ["SQLTIMESTAMP"]=>
+  string(11) "Y-m-d H:i:s"
 }
-===DONE===
\ No newline at end of file
+===DONE===
diff --git a/ext/date/tests/date_constants.phpt b/ext/date/tests/date_constants.phpt
index 132e24159bf84..94027a8edd915 100644
--- a/ext/date/tests/date_constants.phpt
+++ b/ext/date/tests/date_constants.phpt
@@ -14,7 +14,9 @@ Date constants
         DATE_RFC2822,
         DATE_RFC3339,
         DATE_RSS,
-        DATE_W3C
+        DATE_W3C,
+        DATE_SQL,
+        DATE_SQLTIMESTAMP
     );
     
     foreach($constants as $const) {
@@ -35,7 +37,9 @@ Date constants
         DATE_RFC2822 == DateTime::RFC2822,
         DATE_RFC3339 == DateTime::RFC3339,
         DATE_RSS     == DateTime::RSS,
-        DATE_W3C     == DateTime::W3C
+        DATE_W3C     == DateTime::W3C,
+        DATE_SQL     == DateTime::SQL,
+        DATE_SQLTIMESTAMP == DateTime::SQLTIMESTAMP
     );
 ?>
 --EXPECT--
@@ -61,6 +65,10 @@ string(31) "Sat, 01 Jul 2006 14:27:30 +0200"
 string(31) "Tue, 30 May 2006 14:32:13 +0200"
 string(25) "2006-07-01T14:27:30+02:00"
 string(25) "2006-05-30T14:32:13+02:00"
+string(10) "2006-07-01"
+string(10) "2006-05-30"
+string(19) "2006-07-01 14:27:30"
+string(19) "2006-05-30 14:32:13"
 
 bool(true)
 bool(true)
@@ -73,3 +81,5 @@ bool(true)
 bool(true)
 bool(true)
 bool(true)
+bool(true)
+bool(true)
diff --git a/ext/date/tests/strtotime2.phpt b/ext/date/tests/strtotime2.phpt
index b8b605923dbce..c9987a83ec0da 100644
--- a/ext/date/tests/strtotime2.phpt
+++ b/ext/date/tests/strtotime2.phpt
@@ -17,7 +17,8 @@ $constants = array(
 	'DATE_RFC2822',
 	'DATE_RFC3339',
 	'DATE_RSS',
-	'DATE_W3C'
+	'DATE_W3C',
+	'DATE_SQLTIMESTAMP'
 );
 
 
@@ -38,3 +39,4 @@ DATE_RFC2822:	OK
 DATE_RFC3339:	OK
 DATE_RSS:	OK
 DATE_W3C:	OK
+DATE_SQLTIMESTAMP:	OK