plural of one-day match

plural of bad hair day

In Germany, June 27 is Siebenschläfertag (Seven Sleepers Day). The weather on that day is supposed to determine the average weather of the next seven weeks.

Alternative form of 90-day wonder

Alternative form of nine day wonder

The feast day of Saint David, patron saint of Wales, celebrated in Wales on March 1.

plural of day care center

plural of zero-day exploit

(computing) The act of exploiting a security vulnerability on the same day it becomes publicly known.

(idiomatic) To appear; to be published or disseminated. / (idiomatic) To be realised.