the Berasit Hebrew Dictionary

Like many other ancient civilizations, the ancient Hyberi were able to keep track of time and become successful at agriculture by utilizing a complex knowledge of the astronomical cycles and associated rhythms of nature.

The signs of the zodiacal constellations were known to them, as well as other constellations, some of which likely served timekeeping purposes, and others with more obscure purposes. Several constellation factored into their mythology.

See Amos 5:8, Job 38

yes is traditionally identified as “Ursa Major”¹⁾ mezerot likely refers to the first stars to rise in the evening.