Date
search: boost: 1.0 ---# Type: Date
a date (year, month and day) in an idealized calendar
URI: [xsd:date](http://www.w3.org/2001/XMLSchema#date)
## Type Properties
| Property | Value |
| -------------- | ------------------------------------------------- |
| Base | `XSDDate` |
| Type URI | [xsd:date](http://www.w3.org/2001/XMLSchema#date) |
| Representation | `str` |
## Notes
- URI is dateTime because OWL reasoners don't work with straight date or time
- If you are authoring schemas in LinkML YAML, the type is referenced with the lower case "date".
## Identifier and Mapping Information
### Schema Source
- from schema: https://w3id.org/ai-atlas-nexus/ai-risk-ontology
## Mappings
| Mapping Type | Mapped Value |
| ------------ | ------------ |
| self | xsd:date |
| native | nexus:date |
| exact | schema:Date |