     719528
   end
   def date_to_iso_days_days(year, month, day) do
-    # Rata Die starts at year 1, rather than at year 0.
     :calendar.date_to_gregorian_days(year, month, day)
   end
 
-  # Calculates {year, month, day} from the count of days since the Rata Die epoch.
+  # Converts count of days since 0000-01-01 to {year, month, day} tuple.
   @doc false
   def date_from_iso_days_days(days) do
     :calendar.gregorian_days_to_date(days)

  @microseconds_per_second 1_000_000

  @doc """
  Returns the normalized Rata Die representation of the specified date.

  ## Examples


  end

  @doc """
  Converts the `t:Calendar.iso_days` format to the datetime format specified by this calendar.

  ## Examples

