Read this article about medieval timekeeping.
OpenEdition suggests that you cite this post as follows:
Andreas Lehnertz (May 16, 2025). SIMS-Katz Fellow Sacha Stern Initiates Us into the Art and Science of Medieval Timekeeping. medievalJewishStudiesNow! Retrieved March 10, 2026 from https://doi.org/10.58079/13y2a