Dates

Can you provide a link to the site? It can vary depending on your theme but the QUICKEST method would be finding the author class and putting a display:none; on it via your child theme or custom CSS. I could provide the actual CSS you will need to do so if you can provide a link.

The BEST method would be to remove it via your functions.php but I can’t tell you how to do that without knowing what theme you are using.

Thanks! I have two
https://www.weddingphotographerdordogne.com
UK Weddings https://www.lydiataylorjones.co.uk/blog/

You could try adding the following to your child theme style.css or wherever you add your custom CSS.

.date, .polaroiddate {
display:none;
}

They will still be visible for screen readers and search engines but won’t show up on your site.