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.
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.
Month | Days (Common Year) | Days (Leap Year) | Has at least 28? |
---|---|---|---|
January | 31 | 31 | Yes |
February | 28 | 29 | Yes |
March | 31 | 31 | Yes |
April | 30 | 30 | Yes |
May | 31 | 31 | Yes |
June | 30 | 30 | Yes |
July | 31 | 31 | Yes |
August | 31 | 31 | Yes |
September | 30 | 30 | Yes |
October | 31 | 31 | Yes |
November | 30 | 30 | Yes |
December | 31 | 31 | Yes |
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.
Keep Learning
- Month lengths overview: Days in Each Month
- All about leap years: Leap Year Explained
- Convert years to hours/minutes/seconds: Simple conversions
- Plan time off with Weekends and Working Days
- Need a countdown? Try How Many Days Until…?
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.