Datetime
search: boost: 1.0 ---# Type: Datetime
The combination of a date and time
URI: [xsd:dateTime](http://www.w3.org/2001/XMLSchema#dateTime)
## Type Properties
| Property | Value |
| -------------- | --------------------------------------------------------- |
| Base | `XSDDateTime` |
| Type URI | [xsd:dateTime](http://www.w3.org/2001/XMLSchema#dateTime) |
| Representation | `str` |
## Notes
- If you are authoring schemas in LinkML YAML, the type is referenced with the lower case "datetime".
## Identifier and Mapping Information
### Schema Source
- from schema: https://w3id.org/ai-atlas-nexus/ai-risk-ontology
## Mappings
| Mapping Type | Mapped Value |
| ------------ | --------------- |
| self | xsd:dateTime |
| native | nexus:datetime |
| exact | schema:DateTime |