Conversation so far:
What is the ninth month in the jewish calendar
Kislev is the third month of the civil year and the ninth month of the ecclesiastical year on the Hebrew calendar.
what season of the Gregorian calendar does the Kislev month fall into
Kislev is an autumn month which occurs in November–December on the Gregorian calendar and is sometimes known as the month of dreams.
What does the name Kislev mean
The name derives from Akkadian kislimu; some etymologies connect it to the Hebrew root K-S-L like kesel, kisla or ksil  because of the expectation and hope for rains.

Question: how many months in the calendar
Self-contained rewrite: how many months are in the Jewish calendar