WaYaHayah (And came to pass) BaYawam (in day), HaHawaa (which/who/that is) Laa (NOT) YaHayah (came to pass) Awar (light), Yaqarawath (cold - plural), YaQapaawan (frost - emphatic).
Zechariah 14:6 in the English–Paleo Hebrew Parallel Bible · Hebrew Viewer