How long does it take to write code to check the date on the site daily and send a notification to a given email. the address?

Question

Programming

Hello! I need to write a code to check the date on a site daily and send a notification to a given email. the address.
expert.lenobl.ru/deiatelnost/vydacha-razreshenij-n...
the code should find, for example, "Updated 10/24/2019" and check with the previous date, if it has changed, then notify.
How difficult is it?