What Months Have 30 Days? Understanding the 30-Day Months in a Year
Learn which months have 30 days and how they differ from other months in the calendar year.
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A 30-day month refers to the months of April, June, September, and November. These months each have exactly 30 days, as opposed to the other months that have either 31 days or, in the case of February, 28 or 29 days.
FAQs & Answers
- Which months have 30 days in the calendar year? April, June, September, and November each have exactly 30 days.
- Why do some months have 30 days while others have 31? The varying lengths of months are a result of historical calendar decisions made during the development of the Gregorian calendar.
- How many days does February have and why does it vary? February usually has 28 days but has 29 days during a leap year, which occurs every four years to keep the calendar year aligned with the astronomical year.