The Unfolding of Time: A Logarithmic Model for Astronomical, Biological, and Cultural Evolution presents a unifying framework for understanding complexity across cosmic, biological, and cultural domains. Rather than treating the history of the universe as a linear sequence of disconnected events, this work proposes that major evolutionary thresholds?from the formation of galaxies and rocky planets to the emergence of life and symbolic culture?follow a rhythmic pattern when plotted on a logarithmic timescale. Drawing on current astronomical research, evolutionary biology, and anthropological insight, the model suggests that complexity emerges in distinct pulses, each nested within a broader unfolding. This interdisciplinary synthesis invites a rethinking of time's structure?not as a flat continuum, but as a layered rhythm of transformation. The result is a compelling vision of the universe's evolution, in which deep regularities shape the appearance of novelty across scales.