How Many Months Have 28 Days? (Simple Answer + 2025 Facts) | HowManyDaysInYear.com

How Many Months Have 28 Days? (Simple Answer + 2025 Facts) Updated 2025

Answer: All 12 months have at least 28 days. Only February has exactly 28 days in common years (and 29 in leap years).

Below you’ll see a quick month table, why February changes, and a tiny checker to see if any year is a leap year.

The Trick—and the Real Answer

The classic riddle asks: “How many months have 28 days?” The honest answer is twelve, because every month reaches day 28. But if you mean “Which month has only 28 days?” then it’s February—in a common year.

Quick tip: Common year → February 28. Leap year → February 29.

Takeaway: All months pass day 28. Only February stops at 28 in non-leap years.

Month-by-Month: Days in Each Month

Use this table for fast checks. For a deeper overview, see Days in Each Month.

MonthDays (Common Year)Days (Leap Year)Has at least 28?
January3131Yes
February2829Yes
March3131Yes
April3030Yes
May3131Yes
June3030Yes
July3131Yes
August3131Yes
September3030Yes
October3131Yes
November3030Yes
December3131Yes
Memory rhyme: “Thirty days hath September, April, June, and November. All the rest have thirty-one—except February alone.”

Takeaway: Only February changes; everything else is fixed at 30 or 31.

Why February Changes

The Earth’s year is about 365.2422 days. To keep calendars in sync with the seasons, the leap-year rule adds one day to February in certain years.

Leap-Year Rule (Short Version)

  • Divisible by 4 → leap year
  • Except divisible by 100 → not a leap year
  • Except divisible by 400 → leap year

See the full explanation on How Many Days in a Leap Year?

Takeaway: Leap years keep dates and seasons aligned over time.

2025 Snapshot

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Is This Year a Leap Year?

Enter a year and click Check.

Keep Learning

Takeaway: Check the year type first—then February’s length is obvious.

Frequently Asked Questions

How many months have 28 days?

Twelve. Every month has at least 28 days. Only February has exactly 28 days in common years (29 in leap years).

Does February always have 28 days?

No. During a leap year, February has 29 days. In common years, it has 28 days.

Is 2025 a leap year?

No. 2025 is a common year, so February 2025 has 28 days. The next leap year is 2028.

Which months have 31 days?

January, March, May, July, August, October, and December.

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