Time Ontology in OWL publication history Date Status 15 November 2022 Candidate Recommendation Draft 26 March 2020 Candidate Recommendation Snapshot 19 October 2017 Recommendation 7 September 2017 Proposed Recommendation 6 June 2017 Candidate Recommendation Snapshot 2 February 2017 Working Draft 12 July 2016 Working Draft 27 September 2006 Working Draft