What does the cryptic crossword clue "Month patron changed in Midlands town (11)" mean?

The definition is "town". The wordplay uses an anagram. anagram of MONTH + PATRON = NORTHAMPTON; definition: "town" The answer is NORTHAMPTON.

Month patron changed in Midlands town (11)

Daily Mail Cryptic #17550 | 19 Across | 2025-02-07 flower