A.at what point of time, at what hour, on what day, more precise than ὁπότε, S. OC434, Th.4.125, Theoc.23.33 ; though sts. it cannot be distd. from ὁπότε, Pl.Alc.1.105d, Jul.Or.7.204a, al. ; “ὁπότε καὶ ὁ.” Pl.Lg.772d ; ὁ. ἄν at whatever hour or time, S.Ph.464 ; whenever, PGiss.53.3 (iv A. D.); simply, when, LXX 4 Ma.2.16.
2. in indirect questions, in answer to a direct question, πηνίκ᾽ ἐστὶν ἄρα τῆς ἡμέρας ;— ὁπηνίκα; what time of day is it ?—what time, do you say ? Ar.Av. 1499.