

February is the shortest month.
A period of time that lasts about 30 or 31 days, usually part of a year.
April has 30 days.
My birthday is in June.
We go on vacation every August.
calendar month
full month
last month
30 days
time period
calendar period
The rent is due at the beginning of each month.
A period of time used in business or finance, often for billing cycles.
The subscription renews every month.
She saves a little money each month.
He receives his paycheck once a month.
every month
per month
month-to-month
30 days
calendar month
billing period