twig format datetime
{# 23:39 #}
{{ '2019-08-07 23:39:12'|format_datetime('none', 'short', locale='fr') }}
{# 07/08/2019 #}
{{ '2019-08-07 23:39:12'|format_datetime('short', 'none', locale='fr') }}
{# mercredi 7 août 2019 23:39:12 UTC #}
{{ '2019-08-07 23:39:12'|format_datetime('full', 'full', locale='fr') }}