The tip date and conclusion time with the celebration in ISO-8601 structure. Use the same structure as startDate. Include each the date and time so users can discover gatherings that fit into their schedule. For online situations, you need to specify the timezone by such as the UTC or GMT https://mysocialguides.com/story3593668/details-fiction-and-google-rich-snippet-automatico-json-ld-open-graph-seo