About: http://webisa.webdatacommons.org/14986194

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	On this trip, after the equinox, through the 30s-North latitudes, darkness was a full twelve hours, from 2000 to 0800 local (Portuguese and Canaries Summer) time.
http://www.w3.org/ns/prov#wasQuotedFrom	f9.co.uk