def local_from_apparent(self, tee): """Return local time from sundial time tee at location, location.""" return tee - Astro.equation_of_time(self.universal_from_local(tee))
def apparent_from_local(self, local_time): """Return sundial time from local time at this location.""" return local_time + Astro.equation_of_time(self.universal_from_local(local_time))