Using Date Picker Localization

/**

 * Apply the date picker locale strings.

 *

 * @link https://wpforms.com/developers/localize-the-date-picker-strings/

 */

function wpf_dev_datepicker_apply_locale() {

    ?>

    <script type="text/javascript">

    jQuery( document ).ready( function() {

        jQuery( '.wpforms-datepicker-wrap' ).each( function() {

            var calendar = this._flatpickr;

            if ( 'object' === typeof calendar ) {

                calendar.set( 'locale', 'es' );

            }

        } );

    } );

    </script>

    <?php

}

add_action( 'wpforms_wp_footer_end', 'wpf_dev_datepicker_apply_locale', 10 );