Check if current date time is inbetween start and end date using ACF datetime picker

$start_date = get_field( 'start_date' );
$start_date= strtotime($start_date);

$end_date = get_field( 'end_date',get_the_ID() );
$end_date= strtotime($end_date);

$now=date('Y-m-d H:i');
$now=strtotime($now);

if (($now >= $start_date) && ($now <= $end_date)){
    echo "is between";
}else{
    echo "NO GO!";  
}