Delusion has its own lived time and space, and particularly delusion in psychosis. Because in psychotic delusion these perceptions return in a fundamental way, that is, they are no longer necessarily affected by social norms, but they still share a universality, similar to an anthropological dimension of the conception of space-time.

Psychosis manifests a singular apprehension of time, which is characterized by a difficulty in inscribing a temporality specific to the story, notably in phenomena of absence of dating or excessive dating. This excessive dating of certain psychotic stories is studied here through the concept of "hyperdating" proposed by the authors who question its psychic function. The methodology is qualitative and is based on the presentation of two clinical cases, one of schizophrenia, th