Here's what the Charles W. Reichenbach Dictionary says: Siku (—) day (= period of 24 hours). - zote {or sikuzote). always, — hizi. now, at this time; nowadays, at present. — za kale, formerly, in ancient times, kila —. every day, daily. — kwa —. from day to day. — hata —. day after day. — ya mwaka mpya. New Year's Day. Cf. sikukuu. usiku.