The metric of temporality is a human invention filled with ambiguity, like cutting time zones making us live the same moment at different times depending on our position géographique.Les seconds, minutes, hours, months etc. .. . belong to a time scale, a standard universal time which is not intuitive. The anchor man in a temporality built by a succession of cause / consequence can find a directional son his life, something identifiable in terms of duration. Therefore, it induces the importance of the role of "memory" in human construction, in this work.