This article presents a comparative analysis of the concepts of time held by Ibn Sina (Avicenna), a representative of medieval Islamic philosophy; Henri Bergson, a figure in 20th-century French philosophy; and Martin Heidegger, a representative of German existential philosophy. The article examines their perspectives on time, methodological approaches, and the similarities and differences between them. The study highlights the continuity and distinctive characteristics found within Eastern and Western traditions of the philosophy of time.