“Last Updated” Date to Post Meta Data [jalali date]

hi
i use this code to add the “Last Updated” Date to Post Meta Data
all thing is good but The date is Gregorian, but I want it to be solar [jalali] date
I set the date settings in WordPress to Iran but it did not work

Thanks for guiding me

// Add the “Last Updated” Date to Post Meta Data
function et_last_modified_date_blog( $the_date ) {
    if ( 'post' === get_post_type() ) {
        $the_time = get_post_time( 'His' );
        $the_modified = get_post_modified_time( 'His' );
 
        $last_modified =  sprintf( __( '?? ???????? ?? %s', 'Divi' ), esc_html( get_post_modified_time( 'j F, Y' ) ) );
        $published =  sprintf( __( '%s', 'Divi' ), esc_html( get_post_time( 'j F, Y' ) ) );
 
        $date = $the_modified !== $the_time ? $last_modified . ' | ' .  $published : $published;
 
        return $date;
    }
}
add_action( 'get_the_date', 'et_last_modified_date_blog' );
add_action( 'get_the_time', 'et_last_modified_date_blog' );