CC MADHYA 20.390
eka-dui-tina-cāri prahare asta haya
cāri-prahara rātri gele punaḥ sūryodaya
SYNONYMS

eka-dui-tina-cāri—one, two, three, four; prahare—in praharas; asta haya—the sun sets in the evening; cāri-prahara—generally after four praharas; rātri—the night; gele—when it passes; punaḥ—again; sūryodaya—the sun rises.

TRANSLATION

"Day and night are divided into eight praharas-four belonging to the day and four belonging to the night. After eight praharas, the sun rises again.