To simplify reading BC dates on WQS, it would be helpful to be able to display them as on www.wikidata.org GUI. This whatever conversion may currently be applied.
-Wikidata: 27 November 8 BCE Julian
-Wikidata Query Service (currently): "-0007-11-25T00:00:00Z"
New display feature:
-Wikidata Query Service: 27 November 8 BC