Russian accusative case of time
Russian ns, prons, adjs & nums decline in gender: m, f, n; number: s, p & case: n, g, d, a, i, p. Adv, conj, interj, prep stay the same. Verbs: 3 ten, 2 asp; asp pairs are formed: via pref, suf & lex. Beware of verbs of position and motion!
Russian accusative case is used to express an exact time of an event with the prepositions: в (во), на, за, про, через, с (со).