• John M. SteeleEmail author
Part of the SpringerBriefs in History of Science and Technology book series (BRIEFSHIST)


Babylonian rising time schemes relate positions at or relative to stars which culminate either as the sun rises or sets on particular days of the year or as given points on the ecliptic rise across the eastern horizon. These schemes were first identified in cuneiform texts in the mid-20th century and were initially assumed to be related to the functions for the length of daylight in the mathematical astronomy of the Hellenistic period (the so-called ‘ACT astronomy’). Subsequently, their relationship with earlier types of Babylonian astronomy has been recognized. This chapter outlines previous research on the rising time schemes and provides an overview of the sources to be studied in this work.


Babylonian astronomy Ecliptic Equator Oblique ascension Rising time Zodiac 


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© The Author(s) 2017

Authors and Affiliations

  1. 1.Department of Egyptology and AssyriologyBrown UniversityProvidenceUSA

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