Each non-sunday day in animal crossing is divided into two periods where the price is set, we are going to call that the time-of-day. The first period will be AM, and the second period PM. This is intended to be used as an enum type.
type ToD string
const (
// First price period of a day
AM ToD = "AM"
// Second price period of a day
PM ToD = "PM"
)
func (tod ToD) PhaseOffset() int
Returns the phase offset value for the time of day. AM = 0, PM = 1