The periodic reactualization of the creative acts performed by the divine beings in illo tempore constitutes the sacred calendar, the series of festivals. A festival always takes place in the original time.
Eliade argues that sacred ritual is fundamentally an act of temporal return, re-instantiating the primordial creative moment so that participants inhabit mythic rather than profane time.
, The Sacred and the Profane: The Nature of Religion, 1957thesis