This paper explores a novel way of thinking about the universe by startingfrom an unexpectedly small and concrete fact: the approximately 38microseconds per day relativistic time offset observed between GPS satelliteclocks and clocks on Earth. Rather than treating this value as a purely technical correction, the paperinterprets it as an experimental indication that the flow of time dependson local energy density and gravitational environment. By viewing thislocal time offset as a small-scale analogue of cosmological redshift, thepaper proposes a reinterpretation of cosmic expansion as a change intemporal scale rather than solely as spatial expansion. Through qualitative reasoning grounded in established relativistic effects,the work connects everyday satellite technology with fundamental questionsin cosmology, including the nature of time, gravity, redshift, and themeaning of the age of the universe. The goal is not to replace existingcosmological models, but to offer an alternative perspective that invitesreaders to reconsider how time itself may shape our interpretation of theexpanding universe.
Akihito Sugawara (Wed,) studied this question.