Add these snippets to your child theme’s functions.php file or use a plugin like Code snippets. Don’t add code directly to the parent theme’s functions.php file as it will be overridden by updates. Customize the texts/values in red to whatever you need.
Disable the current day after 12pm (or any other time)
add_filter( 'easy_booking_product_first_available_date', 'wceb_set_date_to_next_day', 10, 2 );
function wceb_set_date_to_next_day( $first_available_date, $product ) {
date_default_timezone_set( 'Europe/Paris' );
$time = date( 'H:i:s', strtotime( 'today 12pm' ) );
$timenow = date( 'H:i:s', strtotime( 'now' ) );
if ( $timenow > $time ) {
$first_available_date += 1;
}
return $first_available_date;
}