     {hours, minutes, seconds, {microseconds, 6}}
   end
 
-  # Converts a year, month, day in only a count of days since the Rata Die epoch.
+  # Converts year, month, day to count of days since 0000-01-01.
   @doc false
   def date_to_iso_days_days(0, 1, 1) do
     0

  end

  @doc """
  Converts a Rata Die to the datetime format specified by this calendar.

  ## Examples


  @microseconds_per_second 1_000_000

  @doc """
  Returns the `t:Calendar.iso_days` format of the specified date.

  ## Examples

