February has 28 days and we can also say that every months have 28 days there are four weeks in a month and 4 weeks contain 28 days

Introduction
Every month of the calendar year has at least 28 days, but only February is commonly known for having 28 days. This unique characteristic is primarily due to the way our calendar is structured.
February: The Month of 28 Days
- February is the second month of the Gregorian calendar.
- In a standard year, February has 28 days.
- During a leap year, which occurs every four years, February has 29 days.
The Leap Year Concept
- A leap year adds an extra day to February to keep our calendar aligned with the Earth's revolutions around the sun.
- The rule for determining a leap year is:
- A year is a leap year if it is divisible by 4.
- However, if the year is divisible by 100, it is not a leap year unless it is also divisible by 400.
Significance of February
- February's shorter length is believed to have historical roots in ancient Roman calendars.
- It is often associated with winter in the Northern Hemisphere and marks the end of winter and the beginning of spring.
Conclusion
In summary, while all months have at least 28 days, February is distinctive for typically having only 28 days in common years. This unique aspect of February makes it an interesting and important month in our yearly calendar.