IFTTT – How to Delete Account

Most Personal Recipes check for new Trigger data every 15 minutes, some are even faster.

via their learn more page

The short answer is no, IFTTT cannot do this.

You can have IFTTT send you an email. You can also send IFTTT an email to their email address. But you cannot have IFTTT monitor your email traffic.

I would try using filters on your email to highlight emails sent from this person with a specific subject, which is definitely possible - doing so on particular days is not possible though.