'datecontrol' => [
            'class' => 'kartik\datecontrol\Module',
            // format settings for displaying each date attribute (ICU format example)
            'displaySettings' => [
                Module::FORMAT_DATE => 'php:d/m/Y',
                Module::FORMAT_TIME => 'H:i:s',
                Module::FORMAT_DATETIME => 'php: d/m/Y H:i:s'
            ],

            // format settings for saving each date attribute (PHP format example)
            'saveSettings' => [
                Module::FORMAT_DATE => 'php:Y-m-d', // saves as unix timestamp
                Module::FORMAT_TIME => 'php:H:i:s',
                Module::FORMAT_DATETIME => 'php:Y-m-d H:i:s'
            ],

            // set your display timezone
//             'displayTimezone' => 'America/Sao_Paulo',

            // set your timezone for date saved to db
            'saveTimezone' => 'UTC',

            // automatically use kartik\widgets for each of the above formats
            'autoWidget' => false,
            'ajaxConversion' => true,
            'widgetSettings' => [
                Module::FORMAT_DATE => [
                    'class' => 'yii\widgets\MaskedInput', // example
                    'options' => [
                        'clientOptions' => [
                            'alias' => 'dd/mm/yyyy'
                        ],
                        'options' => [
                            'class' => 'form-control'
                        ]
                    ]
                ]
            ]