To understand the role of time within the scope of 20th century ontology, after the fundamental works of E. Husserl, M. Heidegger, P. Ricoeur, and E. Levinas, means to develop simultaneously the ontology of time. My aim is to demonstrate that in a definite sense the postmodern onto-logy is chrono-logy. The argument proceeds (and this constitutes its essential novelty) within the multidimensional space' involving not only the synchronic stratum of current conceptuality in its internal logical relationships, but also the diachronic axis of conceptual genesis. I apply different strategies of...