Google rich result invalid date

How to fix it

Use ISO 8601 (for example, 2026-04-30T12:00:00Z).

Sibling checks in this category

• Google rich result missing required field - A field Google requires for the rich result is missing. The page is ineligible until it is added.
• Google rich result missing one-of required - Google requires at least one of a set of fields and none are present.
• Google rich result property missing type - A nested object that Google expects to be typed has no @type.
• Google rich result missing image - Google's rich result for this type requires an image and none was provided.

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