The paper pays attention to describe the temporal superposition and segmentation of the daily activities. Then the specification of the theoretical context and the identification of the main reasons of the increase of the temporal superposition and segmentation of the daily activities in the post-modern societies, the essay describes the values of the temporal superposition and segmentation indicators, in general and with attention to main structural variables, related to the data resulting from the first national survey about the use of time, carried out by the Istituto Nazionale di Statistica in the wider context of the Multipurpose Survey on Families in Italy.