1972/06/21-1972/06/21
https://w3id.org/zericatalog/date/1972-06-21-1972-06-21 an entity of type: E52_Time-Span
1972-06-21-01-01T00:00:00Z
1972-06-21-01-01T00:00:00Z
1972/06/21-1972/06/21