He also kept record of day and night, tracking the rising and setting of the sun.
A funereal statue[2] associated with him is known with an inscription in which he describes himself as an expert on observing stars.
He referred to the planets as "the gods who foretell the future" and claimed to know everything Sirius predicted, but apparently did not write personal horoscopes.
[3] Harkhebi predicted the weather patterns of the heliacal risings of the fixed stars.
While Harkhebi was observing the north and south motions of the sun and Venus, he concluded that the Babylonians had some affiliation with the weather phenomena in Enuma Anu Enil.