The day on which the euro became the official currency in much of Europe — 1st January 2002. / Election Day.

(cricket) a limited overs cricket match that starts in the afternoon and continues into the evening under floodlights

(film) A cinematographic technique in which a crew films in a high-contrast situation, typically in the early morning or late afternoon, with a blue filter, causing the scene to look as if it were shot in moonlight.

(cinematography) In the daytime, with a blue filter, causing the scene to look as if it were shot in moonlight.

Any of 20 glyphs used, along with a number from 1 to 13, in traditional Mesoamerican calendars to identify their 260 days.

(idiomatic) To cease the activity for the day. / (idiomatic) To retire.

(US), (Canada) The holiday marking the unofficial end of summer, held on the first Monday in September. / An annual holiday held on May 1 to celebrate the economic and social achievements of workers.

(religion) A religious festival for a particular saint or religious event.

(colloquial) Very bright and luminous in colour.

A luminous paint that glows in a variety of brilliant colours, most commonly red or orange; used especially for outdoor advertising.