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How Many Months Have 28 Days?

Some months have 30 days and some have 31 days. How many months have 28 days?

All of them. Every month has 28 days. Some just continue on after reaching 28.

Posted in Brain Teasers


38 Comments on "How Many Months Have 28 Days?"

Nawab says
April 18, 2014 @ 15:12

All months have 28 days. All include 28 and more.

Shontana says
October 23, 2014 @ 19:22

All months have 28 days its a very good riddle tricky but awesome :)

â“‚arkisha says
December 20, 2014 @ 00:59

All moths have 28 days lol

Makayla says
January 27, 2015 @ 23:53

No only 1 month has 28 days because your asking how many months have 28 days not how many months have 28 days at least it’s a riddle

Dan says
January 28, 2015 @ 12:15

Makayla – I have an event that lasts 28 days and needs to begin and end in a single month. How many months have 28 days for my event?

Brandon says
February 20, 2015 @ 16:45

This riddle is dumb. I have three cats. But according to this riddle’s logic, I could walk up to someone and say I have two cats. Or I have one cat.

B1gears says
February 27, 2015 @ 14:19

This answer is clearly wrong.

The overwhelming majority of native English speakers would take the question “how many months have 28 days?” to mean “how many months have a total of 28 days?” not “how many months have at least 28 days?” or “how many months have a 28th day?”

Someone is trying to be clever by asking this question. They failed miserably.

Hermione says
March 2, 2015 @ 02:27

sinar some of YOU thinking the riddle IS dumb as, just think of peaceful things and GET OVER IT!!!!!

Cayla says
March 9, 2015 @ 05:29

All 12 months have 28 days

Brad says
March 18, 2015 @ 01:29

DUMB, DUMB. How many day does April have??? This answer is 30…
How many days does December have? – 31. It’s not 28.
But If the riddle ask ” how many months have a 28th day? Than it would be all of them.

Brad says
March 18, 2015 @ 01:35

Even thier answer is worded differently to the question. I can write stupid riddle too.
How many hours in a day?
Answer There is a 2 hours in every day for African pigs to eat the flies from red gummy sharks.

Dan says
March 18, 2015 @ 15:22

@Brandon If I needed two cats for a magic trick, and I asked if you had two cats, would you say no?

@B1gears If the riddle asked how many months had a total of 28 days, sure. But it didn’t.

@Hermione I concur :)

@Cayla Correct!

@Brad So December doesn’t have 28 days? If a task takes exactly 28 days, could you do it all in the month of December? If a forest has 1,000 trees and you need to cut down 15 trees for a Christmas tree farm, does the forest have 15 trees for you to cut down?

I get that you were tricked and now you’re angry at the devious riddle and resorting to calling it names, but that’s kind of the point of a riddle. You do realize riddles and brain teasers are tricky, right? How many months have a 28th day isn’t a riddle, it’s a boring question.

Breauna M says
March 18, 2015 @ 17:06

12 months have 28 days lol and love u all that said 28 as a internet buddy.

lenny says
March 25, 2015 @ 14:19

All the months have a 28th day but not have 28 days.

Sebastian says
April 24, 2015 @ 07:16

11 months have more than 28 days every year.

Me forver says
April 25, 2015 @ 22:09

I agree with Lenny

Hannah.... says
May 15, 2015 @ 09:11

so how many months have 28 days

Hannah.... says
May 15, 2015 @ 09:12

this is a major grade and i need to know! im in college and im counting on yall to help me!

Hannah.... says
May 15, 2015 @ 09:13

oh. never mind. i get it. i feel so dumb! lol

mike says
July 27, 2015 @ 17:56

ugh. it’s not that hard a concept. (scroll to end for simple answer/reasoning)- it’s a riddle, thus meant to mislead, thus why it is called a riddle. but it is also a clever riddle. all months have 28 days. to those whining, ‘no some have 30 etc’ yeah, which means they have 28 + 2 months. if you have 20$, and are asked if you have 8$, yo don’t not have 8$, because you weren’t asked if you have 8$, or exactly 8$. if you have 20$, you have 4$ 17$ 6.66$ 3.141594$. you don’t have 21$ or 0$ however. riddle is clever, one of the many reasons is it says this without saying this, put ppl are willing to say february before the question is finished.

to ‘all english people would take it,’ wow, i’d like to meet you, some kinda diety that knows how every creature thinks/infers, filtered of course, somehow, by those who speak english. oh the enlightenment!! -but yes, the ‘way people would take it ‘commonly but certainly not absolute, is exactly, WHY it’s a riddle. an effective one.

but regardless, if you were chinese, the ‘misleading’ language is why it called a a”riddle”. if it was, ‘which months have 28 days, but not more or less than 28 days, ‘ that wouldn’t be a riddle, it would be a really really really stupid question. but if it makes you happy, subtract the fun, common sense; “february every 4 years,”. there shouldn’t be that much debate there either.

it’s like a magic trick. this misled here is february, it puts that in your head, to distract you from thinking, ‘or looking’ at the ‘exact’ language, which asks simply, how many months have 28 days. “at least” isn’t necessary. If you have 10$, and are asked if you have 7$, yes, you do. you don’t not have 7$ because you have a 10$ bill. the question was not, “do you have exactly 7$?”, such inferences are incorrect.

(conclusion, put)
Simply, it’s a riddle, any answer that is not, “all of them” is wrong. additional inferences are the intended mislead, if you consider them, congrats! you just proved the riddle a good one.

dave says
August 14, 2015 @ 13:30

this is probably from the free internet “IQ test” from Mensa. It’s pure bullshit because if you don’t expect it to be a riddle, it doesn’t matter how “smart” you are. Because of how the language works (not only English) it is expected that when you phrase the question like that, that it’s about the total amount of days. It works in a way that even if you don’t say the word “total” you still mean that while you have to say the word “at least” if you don’t mean the total. It’s not really a clever riddle if you ask me, because it only works if the person doesn’t know it’s a riddle. Any sane person would probably be right otherwise. A good riddle is one that isn’t close to obvious even if you know it’s a riddle

Katie says
October 18, 2015 @ 08:26

It’s All 12 months that’s have 28th days! It’s a tricky & awesome riddle! If it had word differently then the answer would have be 11 months!

Katie says
October 18, 2015 @ 08:27

Oops my bad would have been not the be

kulu says
January 4, 2016 @ 03:41

I do not even understand what these guys are saying alreaady the calender has its standared readings and you can not change that. that is 30 days has sept,april,june and Nov they rest has 31 days except Feb with 28 days and not if they how many months has 2days u will say 12 ?huh madness its should be howmany months has the 2nd day bc ech month begins from 1st 2nd and so on.some pple are talking about having a feast for 28days in december thats very stupid bc the calender does not know your feast its has standard readings that can never be alter by your stupid feast for 28 days

Ali says
June 21, 2016 @ 08:35

Off course 12 monthes. Because every month got 28

RM Gimena says
October 28, 2016 @ 00:47

HOHOHOHOHOHOHOHHO. I’ve never had as good a laugh till I came across this site. Thanks to all and I mean to all HOHOHOHOHOHOHOHO.

Myrag says
November 1, 2016 @ 13:49

Actually they need to specify on the Julian or Gregorian calendar. The Mayans had a month that was only 5 days long so all of them is not a correct answer.

Hugo says
November 28, 2016 @ 08:53

Really? Over one silly question?
What’s worse? all the comments being posted as if the question is such a complicated mathematical problem, or the people that are saying it’s a dumb question. Its a riddle PEOPLE!…

John says
December 25, 2016 @ 04:24

Okay so here’s what you’re saying:

Question: How many animals have two letters in its name?
Average answer: One. Ox.
Real answer: They all have two letters in their name.

Seriously? If I said “dog” and “cat” have two letters in their name I would technically be correct?

Luthan says
February 16, 2017 @ 08:38

The riddle plays on the distinction between “semantics” and “pragmatics”, where semantics is concerned only with what sentences explicitly say, while pragmatics concerns itself with what we imply with our sentences. The question above (how many months have 28 days?) does not explicitly say that it’s looking for months with *only* or *exactly* 28 days, so semantically speaking the correct answer should include any month that has *at least* 28 days (all of them). However, pragmatically we assume that the questioner has a certain amount of knowledge: they know that some months have 30 days, and others have 31, and we might also assume they probably know that no months have any fewer than 28 days. If we assume the questioner knows all this, then we will infer that they already know the answer to the question as it was explicitly asked. It’s a pragmatic norm that we don’t ask questions we already know the answer to, and so we infer that the questioner must be asking some other question. The candidate question that makes the most sense in this context is “how many months have *only* 28 days?”.

So when the answer turns out to be “all of them”, this is only because the questioner is breaking pragmatic norms.

Alternatively, we sometimes ask questions we know the answer to when we are *quizzing* others. But there are assumptions we make when being quizzed too. We assume that the quizzer has assumed some of *our* knowledge – in this context, our knowledge that no months have fewer than 28 days – and so they wouldn’t ask a question with an answer that would be so easy for us. Instead they ask the question which is (arguably) a bit less common knowledge: “how many months have only 28 days?”

And so when the answer turns out to be “all of them”, this is only because the quizzer is breaking pragmatic norms.

So nobody’s really “wrong”, it’s just that the “right answer” is different depending on whether we’re concerned with pragmatics or just semantics.

That’s my take anyway.

Jayden says
March 13, 2017 @ 18:35


leah says
May 31, 2017 @ 02:52

that puzzle is tricky but yet funny

Emily says
June 1, 2017 @ 10:40

It’s a riddle it’s supposed to be hard dumb dumb

Gaby says
June 5, 2017 @ 23:31

All month have 28 days

Medha says
August 20, 2017 @ 03:29

All months have 28 days.

Ashley Peter says
September 29, 2017 @ 07:55

This is the funniest site ever… lolzzzzzz mehn I just can’t stop laughing…. please the answer is all the months have 28 day… am sorry those that say 1 isn’t wrong because it depends on the question and it’s norm…

smithy says
December 28, 2017 @ 03:18


The only reasonable person here says
March 14, 2018 @ 13:08

People be like: All 12 months have 28 days, it’s just that the ones that aren’t February have 2 or 3 days after as well

Yeah and I’m right when I say one month has 28 days, doesn’t matter if there’s another 11 months that have 28 days too! Wait, that’s not how it works, the question is stating a specific amount, not a minimum.

And it’s funny how people are comparing months to objects. If someone asks me if I have 8 dollars and I have 20, I will say I have 8 dollars because I can take the 8 out of the 20 (and thus I actually have an 8 within that 20). I cannot take 28 days out of a month of 30 or 31 because months aren’t physical containers. Heck, in the example I gave I’d say “no but I have 10 if you have change” if I had two ten dollar notes.

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