time_field-8.x-1.13/templates/input--time.html.twig

{#
/**
 * @file
 * Theme override for a time field.
 *
 * Available variables:
 * - attributes: HTML attributes for the input element.
 */
#}
{%
    set classes = [
      'time',
    ]
%}
<input{{ attributes.addClass(classes) }}/>