you can do that or you can just do this
update_field('field_63d65a709c89a', $entry['16'], $post_id).
Something your should also with date fields. ACF does not store proper dates in the DB. ACF stores dates in the format “Ymd” (example: 20230306). You will need to make sure that the value is in this format before inserting into the acf field.
