http://hl7.org/fhir/StructureDefinition/patient-birthTime|4.0.1

The time of day that the Patient was born. This includes the date to ensure that the timezone information can be communicated effectively.

element_id	types
Extension
Extension.extension
Extension.url
Extension.value[x]	dateTime
Extension
Extension.id	http://hl7.org/fhirpath/System.String
Extension.extension	Extension
Extension.url	http://hl7.org/fhirpath/System.String
Extension.value[x]	dateTime