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Schema.org property reference

startDate — Schema.org Property Guide

Learn the meaning of Schema.org startDate, which types use it and its expected value types, with official source links.

Source: Schema.org v30.1 vocabulary. Official startDate property definition.

What does startDate mean?

The start date and time of the item (in [ISO 8601 date format](http://en.wikipedia.org/wiki/ISO_8601)).

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.

How to use startDate correctly

Describes the starting date or time of an event or another scheduled entity.

Common mistake to avoid

Use the actual event schedule and include an appropriate time-zone offset when time of day matters.

Example property value

This snippet is illustrative and may not be sufficient markup on its own. Replace placeholders with real values.

"startDate": "YYYY-MM-DDThh:mm:ss+00:00"

Read the official Schema.org startDate definition. Google feature requirements, when relevant, must be checked separately against the official Search Gallery.

Related reference

Browse all Schema.org types and properties · Google feature support status