Behrooz Ebadi History and Philosophy of Science Department, Paris Diderot University, Paris, FranceTeacher of Theory of Knowledge (TOK), Tehran International School (TIS) behrouzebadi.july1982@gmail.com International Journal of Fundamental Physical Sciences (IJFPS) 9 3 37-40 September, 2019 2231-8186 https://doi.org/10.14331/ijfps.2019.330129 This article explores the historical and philosophical roots of the 'arrow of time' concept in physics. It highlights how the notion of time has been shaped by both scientific and philosophical discourse, especially the interplay between Henri Bergson's concept of duration and Arthur Eddington's physical framing of entropy. Through analysis of memory, the openness of the future, and temporal flow, the article demonstrates how subjective experiences of time influenced objective theories. Eddington’s introduction of entropy as a bridge between subjective consciousness and physical measurement is emphasized as a foundational element of modern interpretations of time’s direction. Time, Philosophy of Physics, Bergson, Eddington https://creativecommons.org/licenses/by-nc/4.0/