October is the tenth month of the year and the third month of the fall. October is the big month in the Gregorian calendar, with 31 days.
English: October, from the Latin Octo, meaning "8". Japanese calendar: God no month (か ん な づ き Kannazuki).
October solar terms: cold dew (transition on the 8th to 9th), frost drop (transition on the 23rd to 24th).