Source: Schema.org v30.1 vocabulary. Official startOffset property definition.
What does startOffset mean?
The start time of the clip expressed as the number of seconds from the beginning of the work.
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