In fact, the complicated gearwork and dials of de Dondi's clock constitute a series of equatoria, mechanized in just the same way as the calendrical device described by Biruni.
"On the Origin of Clockwork, Perpetual Motion Devices, and the Compass"
Derek J. de Solla Price
As, according to Babylonian notions, the sun does not properly belong to the heavens and plays an insignificant part in the calendrical system in comparison with the moon, sun-worship proper does not seem to have existed in Babylonia.
"The Fundamental Principles of Old and New World Civilizations"
Zelia Nuttall