Math months are written in Arabic numerals, such as: 65438+ October, February, March, April and May.

In mathematics, month means: there are 12 months in a year, including big month and small month, big month is generally 3 1 day, small month has 30 days, a year has 360 days, and then an average month is 30 days. There are four quarters in a year, and each quarter has three months, with an average of 90 days in each quarter. February is special, with 28 days in general.