A holiday celebrated on December 30 in the Philippines in honor of the death of a hero named José Rizal who was killed on December 30, 1896.

The first day of May, a festival celebrating the beginning of the spring season; originally, and still among neopagans, a fertility celebration.

The amount of work that one person can complete in one day, often considered to be equivalent to eight man hours

(biology) A light-dark cycle that has more or less than 24 hours created artificially for testing the rhythms of organisms.

The French national holiday celebrated on 14 July each year. It commemorates the 1790 Fête de la Fédération, held on the first anniversary of the storming of the Bastille on 14 July 1789; the Fête de la Fédération was seen as a symbol of the uprising of the modern French "nation".

(Britain) Each of the four days customarily regarded as starting a new quarter year, on which rents etc are often due.

Alternative letter-case form of Anzac Day.

Modern, recent.

The very beginning. / (US, slang) A close, longtime friend, one who has been around since the beginning.

At the very beginning; when something is entirely new.