Index: core/admin_templates/incs/form_blocks.tpl
===================================================================
--- core/admin_templates/incs/form_blocks.tpl
+++ core/admin_templates/incs/form_blocks.tpl
@@ -440,7 +440,7 @@
 					     title="Date selector"
 					/>
 				<span class="small">(<inp2:{$prefix}_Format field="{$field}_date" input_format="1" human="true"/>)</span>
-			<input type="hidden" id="full_date_<inp2:{$prefix}_InputName field='{$field}'/>" value="<inp2:{$prefix}_Field field='{$field}' format=''/>" />
+			<input type="hidden" id="full_date_<inp2:{$prefix}_InputName field='{$field}'/>" value="<inp2:{$prefix}_Field field='{$field}' format='picker'/>" />
 			<script type="text/javascript">
 				Calendar.setup({
 			        inputField	:	"full_date_<inp2:{$prefix}_InputName field='{$field}'/>",
Index: core/kernel/utility/formatters/date_formatter.php
===================================================================
--- core/kernel/utility/formatters/date_formatter.php
+++ core/kernel/utility/formatters/date_formatter.php
@@ -232,46 +232,61 @@
 	/**
 	 * Formats value of a given field
 	 *
-	 * @param string $value
-	 * @param string $field_name
-	 * @param kDBItem|kDBList $object
-	 * @param string $format
+	 * @param string  $value      Value.
+	 * @param string  $field_name Field name.
+	 * @param kDBBase $object     Object.
+	 * @param string  $format     Format.
+	 *
 	 * @return string
 	 */
-	function Format($value, $field_name, &$object, $format=null)
+	public function Format($value, $field_name, &$object, $format = null)
 	{
-		if ( is_null($value) ) return '';
+		$options = $object->GetFieldOptions($field_name);
+
+		if ( is_null($value) ) {
+			if ( $format != 'picker' || !isset($options['picker_default']) ) {
+				return '';
+			}
+
+			$value = strtotime($options['picker_default']);
+		}
+
+		if ( $format == 'picker' ) {
+			$format = '_input_';
+		}
+
 		if ( !is_numeric($value) ) {
 			return $value; // for leaving badly formatted date on the form
 		}
+
 		settype($value, 'int');
+
 		if ( !is_int($value) ) {
 			return $value;
 		}
 
-		$options = $object->GetFieldOptions($field_name);
 		if ( isset($format) ) {
 			$options['format'] = $format;
 		}
 
-		if (preg_match('/_regional_(.*)/', $options['format'], $regs)) {
+		if ( preg_match('/_regional_(.*)/', $options['format'], $regs) ) {
 			// when such type of format is given directly to kDBBase::GetField
 			$options['format'] = $this->language->GetDBField($regs[1]);
 		}
 
-		if ($options['format'] == '_input_') {
+		if ( $options['format'] == '_input_' ) {
 			// use input format instead of output format
 			$options['format'] = $options['input_format'];
 		}
 
-		if (!$options['use_timezone']) {
+		if ( !$options['use_timezone'] ) {
 			return gmdate($options['format'], $value);
 		}
 
 		$format = defined($options['format']) ? constant($options['format']) : $options['format'];
 		$dt_separator = getArrayValue($options, 'date_time_separator');
 
-		if ($dt_separator) {
+		if ( $dt_separator ) {
 			$format = trim($format, $dt_separator);
 		}
 
@@ -506,4 +521,4 @@
 	{
 		return $this->Format( time(), $field, $object, $options['input_format']);
 	}
-}
\ No newline at end of file
+}