(weekday nil :documentation "\
This is a number between 0 and 6, and 0 is Sunday.")
(dst nil :documentation "\
-This is t if daylight saving time is in effect, and nil if not.")
+This is t if daylight saving time is in effect, nil if it is not
+in effect, and -1 if daylight saving information is not
+available.")
(zone nil :documentation "\
This is an integer indicating the UTC offset in seconds, i.e.,
the number of seconds east of Greenwich.")