2020-03-29

## Why does February only have 28 days as opposed to 30 or 31?

This is because of simple mathematical fact: the sum of any even amount (12 months) of odd numbers will always equal an even number—and he wanted the total to be odd. So Numa chose February, a month that would be host to Roman rituals honoring the dead, as the unlucky month to consist of 28 days.

## When did February stop having 30 days?

To avoid confusion and further mistakes, the Julian calendar was restored in 1712 by adding an extra leap day, thus giving that year the only known actual use of February 30 in a calendar. That day corresponded to February 29 in the Julian calendar and to March 11 in the Gregorian calendar.

Why do some months have 31 30 29 or 28 days?

The ancient Romans, like ancient civilizations before them, based their concept of the month on the Moon. Julius Caesar modified the Roman calendar in 46 B.C. to make each month have either 30 or 31 days, with the exception of Februarius, which had 29 days and gained an extra day every fourth year.

### What was the shortest month ever?

February
February is the shortest month, but why?

### Does February ever have 27 days?

After a few years of using the Numa Pompilius’ new 355-day calendar, the seasons and months began to fall out of sync. In an attempt to realign the two, the Romans added a 27-day leap month as needed. If Mercedonius was used, it began on February 24.

What is a month with 31 days called?

January – 31 days. February – 28 days in a common year and 29 days in leap years. March – 31 days.

## What’s the difference between February 30 and 30 February?

February 30. February 30 (or 30 February) occurs on some calendars but not the Gregorian calendar, where the month of February contains only 28 days, or 29 days in a leap year. 30 February/February 30 is usually used as a sarcastic date for referring to something that will never happen or will never be done.

## Why are there only 28 days in February?

Despite changes in the calendar as it was altered after Numa’s additions—alterations that include the shortening of February at certain intervals, the addition of a leap month, and eventually the modern leap day—February’s 28-day length has stuck.

Is there a date that does not occur in February?

February 30 or 30 February is a date that does not occur on the Gregorian calendar, where the month of February contains only 28 days, or 29 days in a leap year. February 30 is usually used as a sarcastic date for referring to something that will never happen or will never be done. However, this date did happen once on the Swedish calendar in 1712.

### Why was February chosen as the shortest month?

With the lunar year being approximately 354 days, Numa decided to make it 355 days, to avoid the damned number of days and instead add one day to one of the months. The choice fell on February, the month in which the Romans honored their dead.