ECONOMICS

Detailed explanation-1: -Answer: 7 months have 31 days. February is the only month that has 28 days except on a leap year when it has 29 days.

Detailed explanation-2: -However, February is the only month with exactly 28 days (except for leap years when February has 29 days). occur every 4 years. When is the next leap year?

Detailed explanation-3: -How Many Have 28, 29, 30, or 31 Days? The Gregorian calendar has 4 months that are 30 days long and 7 months that are 31 days long. February is the only month that is 28 days long in common years and 29 days long in leap years.

Detailed explanation-4: -There are 7 months in a year that have 31 days.