Answers for "string created at to carbon"

carbon now format

use Carbon/Carbon
Carbon::now()->format('Y-m-d H:i:s');

laravel carbon create date from string

$today = Carbon::createFromFormat('d/m/Y H:i:s',  '19/02/2019 00:00:00'); 

$day = $today->subDays(1)->format('d/m/Y');

carbon create from format

Carbon::createFromFormat($format, $time, $tz);