Lat. hora: any time or period, whether of the year, month, or day (νυκτός τε ὥραν καὶ μηνὸς καὶ ἐνιαυτοῦ Xen.): hence
I.a part of the year, a season; in pl. the seasons, Od., Hes., etc.; περιτελλομέναις ὥραις Soph.; τῆς ὥρας τοῦ ἐνιαυτοῦ Thuc.:—at first three seasons were distinguished — spring, ἔαρος ὥρη, ὥρη εἰαρινή Hom.;— summer, θέρεος ὥρη Hes.; ὥρα θερινή Xen.;— winter, χείματος ὥρη Hes.; ὥρῃ χειμερίῃ Od.;—a fourth, ὀπώρα, first in Alcman.
2.absol. the prime of the year, springtime, ὅσα φύλλα γίγνεται ὥρῃ Hom.:—in historians, the part of the year available for war, the summer-season, or (as we say) the season, Thuc., etc.
4.in pl. the quarters of the heavens, the summer being taken as south, winter as north, Hdt.
II.a part of the day, αἱ ὧραι τῆς ἡμέρας the times of day, i. e. morning, noon, evening, night, Xen.; also, νυκτὸς ἐν ὥρῃ in night time, Hhymn.; ὀψὲ τῆς ὥρας late in the day, Dem.
2.day and night were prob. first divided into twenty-four hours by Hipparchus (about 150 B. C.): but the division of the natural day (from sunrise to sunset) into twelve parts is mentioned by Hdt. (2. 109).
2.c. gen. rei, ὥρη κοίτοιο, ὕπνου the time for sleep, bed- time, Od.; ὥρη δόρποιο id=Od.; καρπῶν ὧραι Ar.
3.ὥρα [ἐστίν], c. inf., 'tis time to do a thing, ἀλλὰ καὶ ὥρη εὕδειν Od.; δοκεῖ οὐχ ὥρα εἶναι καθεύδειν Xen., etc.
4.in adverb. usages, τὴν ὥρην at the right time, Hdt., Xen.; but, τὴν ὥ. at that hour, Hes.:— ἐν ὥρῃ in due time, in good time, Od., Ar.:—also, αἰεὶ ἐς ὥρας in successive seasons, Od.;— καθ᾽ ὥραν Theocr.;— πρὸ τῆς ὥρας Xen.