sunrise
sunrise {-d} {-u} {time}
Sunrise prints the sunrise and sunset times for the speci-
fied time. If the time is omitted, the current time is
used. The times printed will be for the day containing the
time given. the times are for the Stanford Observatory. If
-d is specified, times will be PDT. If -u is given, UT
times are reported.
sunrise(3)