Al-Biruni on the Jewish calendar: sources and reliability

Al-Biruni on the Jewish calendar: sources and reliability - Sacha Stern, UCL Part of the Workshop 'Al-Biruni and his world' on 15 February 2016, organised by the ERC Calendars Project at the Department of Hebrew & Jewish Studies, UCL. https://www.ucl.ac.uk/hebrew-jewish/research/accordion/erc-workshops/al-biruni-and-his-world Al-Biruni wrote his Chronology of the Ancient Nations in Tabaristan, central Asia, around 1000 CE. This work, written in Arabic, contains many descriptions of the Jewish calendar. What were the sources of his information, and is his information reliable? You can view or download the handout of the paper at the following link: https://www.scribd.com/doc/304657542/Al-Biruni-on-Jewish-Calendar-handout Image: Galilean moon at dusk, Tiberias by James Emery