quarter-day

Etymology
.

Noun

 * 1)  Each of the four days customarily regarded as starting a new quarter year, on which rents etc are often due.
 * 2) * 1908, It is late in March, so quarter-day is at hand. — Arthur Conan Doyle, ‘The Adventure of Wisteria Lodge’ (Norton 2005, p. 1239)

Usage notes

 * in England: Lady Day (25 March), Midsummer Day (24 June), Michaelmas (29 September), Christmas Day (25 December).
 * in Scotland: Candlemas (2 February), Whitsun (15 May), Lammas (1 August), Martinmas (11 November).

Translations

 * Russian: квартальный день