About: http://webisa.webdatacommons.org/181967716

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Both calendars depend on the times of certain astronomical events, such as dark moons and winter solstices.
http://www.w3.org/ns/prov#wasQuotedFrom	hermetic.ch