Mark up multi-day activities effectively: If your event or ticket information is for an celebration that operates more than numerous times, specify both the beginning and finish dates of your event. Google offers a free tool identified as Structured Data Markup Helper that assists with building the right markup for your articles. https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html