I think tools like OpenRefine already do this once you link the row to the equivalent wikidata time you can add columns based on that linkage: https://m.wikida

I think tools like OpenRefine already do this once you link the row to the equivalent wikidata time you can add columns based on that linkage: https://m.wikidata.org/wiki/Wikidata:Tools/OpenRefine https://m.wikidata.org/wiki/Wikidata:Tools/OpenRefine