for every day

See: per diem
References in classic literature ?
Stopping a day at Annapolis, he visited the shop of a well-known optician and ordered seven powerful telescopes, one for every day in the week.
From its initial concept of an ice cream flavor for every day of the month, Baskin-Robbins has grown to become the world's largest retailer of frozen treats, with more than 4,400 stores.