Image from a Mongolian manuscript, with Tibetan text, which is full of charts and diagrams that astrologers, generally Buddhist monks, would use to calculate auspicious times to do certain things, such as depart on a trip or remove a dead body from a dwelling.
Featured on PDR in the essay A Mongolian Manual of Astrology and Divination
US NATIONAL LIBRARY OF MEDICINE - Michael J. North, Head of Rare Books and Early Manuscripts, takes a look at one the highlights of the Library's Turning the Pages project, a Mongolian manuscript concerned with interpreting the heavens.