public function validate($value, Constraint $constraint)
    {
        $closedDays = ['Tue', 'Sun'];
        $day = date('D', $value->getTimeStamp());
        foreach( $closedDays as $closedDay) {
            if ($day === $closedDay) {
                $this->context->buildViolation($constraint->message)
                    ->addViolation();
            }

        }
    }