quarter day noun2 •Each of the four days customarily regarded as starting a new quarter year, formerly established as a time for rents and other payments to be due, tenancies to begin and end, and various meetings and assemblies to be held.[T]he money was deposited in the hands of the mortgager, who, in the hearing of the lender, laid strong injunctions on his steward to pay the interest punctually at quarter-day. — 1751 •(UK) Each of the four days customarily regarded as starting a new quarter year, on which rents etc are often due.1908, It is late in March, so quarter-day is at hand. — Arthur Conan Doyle, ‘The Adventure of Wisteria Lodge’ (Norton 2005, p. 1239) — 1908 formsquarter days · quarter-days
