JeroenVdbJeroenVdb 80811 gold badge1313 silver badges2222 bronze badges 2 what's the current status? it seems like google is rather gradual in updating documentations, And that i however see in docs that they're "in system" of updating to JSON-LD. The start day and begin time on the occasion in ISO-8601 format. https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html