month-n; 2 Senses

Sense Number 1: time period

Commentary: A unit of time that lasts about thirty days. Not dependent on divisions in the calendar.

Examples:
He was given one month to pay his bill.
The prisoner spent two months in solitary confinement.
A moment apart from you, my love, feels like months.

Mappings:
WordNet 2.0 Sense Numbers: 2

Sense Number 2: calendar unit

Commentary: A division of the calendar. Often named. Not a definite unit of time: if today is October 30th, I can say the next month starts in two days.

Examples:
My favorite month is June.
John's thesis will be due next month.
Tomorrow is the first of the month.

Mappings:
WordNet 2.0 Sense Numbers: 1