Based on https://github.com/smalot/bootstrap-datetimepicker
php composer.phar require intersvyaz/yii-bootstrap-datetimepicker:*
$this->widget(
'Intersvyaz\Widgets\BootstrapDateTimePicker',
[
'name' => 'date',
'value' => date('d.m.Y'),
'options' => ['format' => 'dd.mm.yyyy']
]
);