What does the cryptic crossword clue "Perhaps tomorrow Rufus sets cryptic (Saturdays excepted) (6)" mean?

The definition is "Perhaps tomorrow". The wordplay uses an anagram. anagram of RUFU ET = FUTURE; definition: "Perhaps tomorrow" The answer is FUTURE.

Perhaps tomorrow Rufus sets cryptic (Saturdays excepted) (6)

Guardian Cryptic #28909 | 1 Across | 2022-11-08 flower