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# Why does February have 28 days while the other months have 30 or 31?

# What months have 31 days?

January, March, May, July, August, October and December. January, March, May, July, August, October, and December have 31 days.

# Can 1 month equal 28 29 30 or 31 days?

One month can equal each of those numbers of days.

# Which months of the year have 31 days?

January, March, May, July, August, October and December have 31 days.

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# Some months have 31 days and some months have 30 days But how many have 28 days?

The riddle answer is "12." -- all 12 of them have at least 28 days. Only February, in years that are not leap years, has exactly 28 days. Of the others, 4 have 30 days and… 7 have 31 days. (see related question)

# Does the month May have 30 or 31 days?

It has 31 days. June has 30. And April has 30 days

# How does 30 days late apply to February which has 28 days?

Answer I believe it won't be a true 30 days in that sense it will only be 28 days.

# If there are 7 months that have 31 days in them and 11 months that have 30 days in them how many months have 28 days in them?

All 12 months have "at least" 28 days. Only February has exactly 28 days, except in leap year.

# How many months have 31 30 and 28 days?

30: September, April, June, November 31: January, March, May, July, August, October, December 28 (or 29 in a leap year): February

# Is 30 days February possible?

In the calendar we currently use (the Gregorian Calendar), no.

# Why 28 days in February?

Prior to Julius Caesar, the year had 12 months of 31 or 29 days (355 days in all), plus an extra "month " added in from time to time. In those days the Roman calendar began in… March - with the Spring, rebirth after the "dead" of Winter and so on. July, which would have been the fifth month was named Quintilis, August (sixth) was named Sextilis and the prefices for September to December are still present in the current names of the months. Note that the adjustment was carried by February, the last month of the year. However, the decision to add the extra month to allow the calendar to "catch up" with the Earth's orbit was down to politicians and they introduced the extra month or withheld its introduction on political expediency. So what has changed in politics since then? And this did cause the calendar to drift In Egypt, meanwhile, Eudoxus had calculated that the year was 3651/4 days long and there had been an attempt to have cycles of three years of 365 followed by one of 366 (decree of Canopus). Although that was unsuccessful, Julius Caesar was sufficiently impressed so that when he returned from his Egyptian conquest he sought seek help from Alexandrian mathematicians to sort out the Roman calendar. The first eleven months were made more or less equal (30/31 days) with February picking up the adjustments, as before. The start of the year was moved to January much later, but the month lengths were not changed, Incidentally, there is an urban myth that Augustus Caesar "stole" a day from February so that his month would not be shorter than Julius Caesar's. He could have really put the boot in by stealing it from July!

# Why there is 28 days in feb only why others months not have only 28 days?

In my opinon Feb has 28 days because the first month (Jan) started with a large amout of days (31).They could not devide the rest so the they took the first month of less days…(Feb) and instead of making it 30 the made the first month of less days(Feb) 28 or as we say on a leap year 29

# Why February month has 28 days?

Originally the Romans did not consider Winter to be a month, so January and February were not part of the calendar. Later January and February were added and February was the …last month so it had to be a length that made the number of days add up. Over time the number of days in February was changed around and it finally ended as 28 day plus one on leap year to make the total days come out right.

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# You randomly select a month of the year What is the probability that you select a month with 28 or 30 days in it?

First we don't consider leap year There is 1 month with 28 days: february There are 4 months with 30 days: april, june, september, november So the probability to select …a month with 28 or 30 days is (1+4)/12 = 5/12 If the year is a leap year then the probability is 4/12

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# Why do you get a period every 28 days why not every other month or once every 4 months why every 28 days to a month?

every women who is matured has ovary to produce ovum. This ovum matures and sheds off from ovary for union with sperms it does not unite with sperm then it is removed from fem…ale body in every month in the form of menses. this requires 28 days to complete in normal course.

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In Uncategorized

# What is the mean for 31 28 30 31 30?

3

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In Calendar

# Has February ever had 30 days?

No, but ever leap year it has 29 days.

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# Are there 30 or 31 days of December?

31