Date de format postgres dans SELECT

select pg_catalog.concat(current_date,' 00:00:00')::timestamp /*Formata hora por exemplo no where*/

and plan_signed_at = TO_CHAR(created_at, 'YYYY-mm-dd')::timestamp /*Formata hora por exemplo no where um é date, o outro datetime*/

select  NOW() - INTERVAL '180' MINUTE /*pega a data e hora com 3 horas menos*/

select to_char(NOW(), 'yyyy/MM/dd HH24:MI:SS') AS date_no_tz, NOW() as date_tz /*data formatada com e sem timezone*/
Tiago F2