Source: Schema.org v30.1 vocabulary. Official opens property definition.
What does opens mean?
The opening hour of the place or service on the given day(s) of the week.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status