(idiomatic) For an indefinite number of days.

daily. / focusing on one day at a time.

Compared to the same time period in the previous day.

You learn something new every day.

(idiomatic) To enjoy the present and not worry about the future; to live for the moment. / (idiomatic) To make the most of today by achieving fulfillment in a philosophical or spiritual sense.

(dated, formal) A somewhat formal greeting generally used between sunrise and sunset. / (dated, formal) A dismissal; sometimes used to express annoyance.

November 20, the day of Zumbi's celebration. Usually only celebrated in Rio de Janeiro.

(US) A day on which a group of students, generally the senior class, leaves the campus and its responsibilities for a day.

(idiomatic) Said in reply to something that one believes will never happen.

(idiomatic) In summary; ultimately.