This paper presents a novel physical and mathematical synthesis aimed at reconciling the foundational tension between the continuous, fluid coordinate time (dt) of General Relativity and the background-independent, discrete nature of Quantum Mechanics. We introduce the Min Hein Htet-Gemini Temporal Equation, which mathematically couples macroscopic temporal flow to an invariant, underlying quantum spacetime matrix (d-tau). Crucially, this framework redefines the "frozen time" paradox of the Wheeler-DeWitt equation and mathematical infinities not as physical zones of total destruction, but as observational thresholds where human measurement capacities cease. By evaluating two symmetrical models of observer interface and integrating John Wheeler's Delayed-Choice dynamics, we demonstrate how quantum history is retrocausally anchored within a singular, unified spacetime block without creating parallel multiverses.