Rewriting Time: The Conception-Adjusted Age Hypothesis (CAAH) establishes academic priority for a new framework that recalibrates human age from conception rather than birth. Authored by Pocahontas Music, this 24-page scholarly report integrates mathematics, philosophy, feminist theory, and cultural analysis to challenge the erasure of gestational existence in conventional timekeeping. Core formula: True Age = (Recorded Age / k) + 0.75 Where: Recorded Age = age from birth k = cultural inflation factor (modern records use k = 1) 0.75 = average gestational period in years (~273.75 days) Through historical case studies, feminist critiques, and worked examples, the report demonstrates how CAAH reframes mythic ages, corrects cultural distortions, and restores nearly nine months of life erased by patriarchal systems. Applications span law, medicine, education, demography, and philosophy of time. This publication functions as both a mathematical intervention and a philosophical manifesto, inaugurating a new paradigm in feminist temporal studies.