How Many Months A Year have 28 days?

Which months have at least 28 days?

admin, Last Updated Sep 15, 2019

This might be a tricky question depending on the premise. Technically, all the months of the year has 28 days as the total number might vary from 28 to 31. Thus, the answer can be 12 months a year have 28 days. However, only one month of a year has exactly 28 days, except for the leap year, which takes place every 4 years. During leap year, February has 29 days, instead.

It can be quite difficult to remember the number of days in a month. However, it becomes easy with practice. The only month that is easy to remember is February as it has either 28 or 29 days instead of the usual 30 and/or 31 days limit.

Why does February have 28 days?

If we delve into history, then the reason can be regarded to be the Romans. During the Roman Era, they had 10 months a year instead of 12. Their year started from March and ended on December. Hence, it can be implied that January and February did not exist at that time.

Roman Calendar

Mensis Martius31
Mensis Aprilis30
Mensis Maius31
Mensis Quintilis31
Mensis Sextilis30
Mensis September30
Mensis October31
Mensis November30
Mensis December30
Total274

The very first Roman King Romulus made the calendar. This particular calendar did not ever match the lunar calendar, for some unclear reasons. Numa Pompilius, the successor to King Romulus incorporated these 2 months of January and February in order to match the calendar with it lunar counterpart. However, the lunar calendar contains 355 days and thus February was picked as the month consisting of 28 days in order to maintain the mathematical edge. During February, the Romans would honor their dead.

The Roman calendar is not based o the seasons. When Julius Caesar came to power in the 45 BC, he created a calendar complying with the seasons and it came to be known as the Julian calendar. The Julian calendar has 12 months and a total of 365 days in total. It stayed in effect till 1582.

After that, the Gregorian calendar came into existence. It was named after the Pope Gregory XIII. The concept of leap year was incorporated into this calendar. The concept was defined by the Astronomical Applications Department as “Every year that is exactly divisible by four is a leap year, except for years that are exactly divisible by 100, but these centurial years are leap years if they are exactly divisible by 400.”

Gregorian Calendar

January31
February28 (or 29)
March31
April30
May31
June30
July31
August31
September30
October31
November30
December31
Total365(or 366)

The only change incorporated in the Gregorian calendar is that it is 1/4th short of the Julian calendar. It was first adopted by the Europeans and slowly, the rest of the world.

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