The word(s) "days" appears 27 time(s) in 23 verse(s) in Quran in Muhammad Habib Shakir translation.

(21) O Prophet! when you divorce women, divorce them for~ their prescribed time, and calculate the number of the days prescribed, and be careful of (your duty to) Allah, your Lord. Do not drive them out of their houses, nor should they themselves go forth, unless they commit an open indecency; and these are the limits of Allah, and whoever goes beyond the limits of Allah, he indeed does injustice to his own soul. You do not know that Allah may after that bring about reunion.

(22) Which He made to prevail against them for seven nights and eight days unremittingly, so that you might have seen the people therein prostrate as if they were the trunks of hollow palms.

(23) Eat and drink pleasantly for what you did beforehand in the days gone by.