# The SDMB birthday project

**URL:** <https://boards.straightdope.com/t/the-sdmb-birthday-project/485534>\
**Category:** In My Humble Opinion\
**Created:** [February 12, 2009, 3:15pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534 "2009-02-12T15:15:22Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![Theodore\_Striker](https://avatars.discourse-cdn.com/v4/letter/t/74df32/32.png) [@Theodore\_Striker](https://boards.straightdope.com/u/Theodore_Striker)\
**Post date:** [February 12, 2009, 4:02pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/21 "2009-02-12T16:02:44Z")

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March

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**Author:** ![NinetyWt](https://avatars.discourse-cdn.com/v4/letter/n/cc9497/32.png) [@NinetyWt](https://boards.straightdope.com/u/NinetyWt)\
**Post date:** [February 12, 2009, 4:04pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/22 "2009-02-12T16:04:53Z")

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February.

I know some more:

Surrender Dorothy: April  
Klondike Geoff: August  
LouisB: March  
Vox Imperatoris (sp?): October

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**Author:** ![Sami41](https://avatars.discourse-cdn.com/v4/letter/s/c57346/32.png) [@Sami41](https://boards.straightdope.com/u/Sami41)\
**Post date:** [February 12, 2009, 4:08pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/23 "2009-02-12T16:08:08Z")

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January.

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**Author:** ![ZipperJJ](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/zipperjj/32/211_2.png) [@ZipperJJ](https://boards.straightdope.com/u/ZipperJJ)\
**Post date:** [February 12, 2009, 4:08pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/24 "2009-02-12T16:08:10Z")

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April

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**Author:** ![Lionne](https://avatars.discourse-cdn.com/v4/letter/l/8e8cbc/32.png) [@Lionne](https://boards.straightdope.com/u/Lionne)\
**Post date:** [February 12, 2009, 4:17pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/25 "2009-02-12T16:17:34Z")

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January

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**Author:** ![Oredigger77](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/oredigger77/32/3181_2.png) [@Oredigger77](https://boards.straightdope.com/u/Oredigger77)\
**Post date:** [February 12, 2009, 4:20pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/26 "2009-02-12T16:20:14Z")

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january

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**Author:** ![ultrafilter](https://avatars.discourse-cdn.com/v4/letter/u/3d9bf3/32.png) [@ultrafilter](https://boards.straightdope.com/u/ultrafilter)\
**Post date:** [February 12, 2009, 4:22pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/27 "2009-02-12T16:22:35Z")

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March.

> [@tdn](#):
>
> So… when is your birthday? No need for the day or the year, but what is the month? I’m hoping to get enough responses for statistical significance.

Since your sample is self-selected, you have to be very careful about what kind of conclusions you try to draw. What are you looking to do?

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**Author:** ![Hi\_Neighbor](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/hi_neighbor/32/494_2.png) [@Hi\_Neighbor](https://boards.straightdope.com/u/Hi_Neighbor)\
**Post date:** [February 12, 2009, 4:23pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/28 "2009-02-12T16:23:27Z")

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April

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**Author:** ![schnuckiputzi](https://avatars.discourse-cdn.com/v4/letter/s/ecb155/32.png) [@schnuckiputzi](https://boards.straightdope.com/u/schnuckiputzi)\
**Post date:** [February 12, 2009, 4:25pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/29 "2009-02-12T16:25:47Z")

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December. So were my parents celebrating…St. Patrick’s Day?

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**Author:** ![Asimovian](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/asimovian/32/172_2.png) [@Asimovian](https://boards.straightdope.com/u/Asimovian)\
**Post date:** [February 12, 2009, 4:26pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/30 "2009-02-12T16:26:16Z")

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> [@Shagnasty](#):
>
> June

Can’t believe I’m only the second June baby. We are the elite among the elite!

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**Author:** ![tdn](https://avatars.discourse-cdn.com/v4/letter/t/94ad74/32.png) [@tdn](https://boards.straightdope.com/u/tdn)\
**Post date:** [February 12, 2009, 4:26pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/31 "2009-02-12T16:26:50Z")

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> [@ultrafilter](#):
>
> Since your sample is self-selected, you have to be very careful about what kind of conclusions you try to draw. What are you looking to do?

I’m trying to see if there is a more or less even distribution, or if certain months are more birth-populated than others.

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**Author:** ![Ichini\_Sanshigo](https://avatars.discourse-cdn.com/v4/letter/i/d9b06d/32.png) [@Ichini\_Sanshigo](https://boards.straightdope.com/u/Ichini_Sanshigo)\
**Post date:** [February 12, 2009, 4:26pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/32 "2009-02-12T16:26:53Z")

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July

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**Author:** ![Contrapuntal](https://avatars.discourse-cdn.com/v4/letter/c/e274bd/32.png) [@Contrapuntal](https://boards.straightdope.com/u/Contrapuntal)\
**Post date:** [February 12, 2009, 4:26pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/33 "2009-02-12T16:26:57Z")

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December.

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**Author:** ![NAF1138](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/naf1138/32/3245_2.png) [@NAF1138](https://boards.straightdope.com/u/NAF1138)\
**Post date:** [February 12, 2009, 4:27pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/34 "2009-02-12T16:27:21Z")

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August. Which makes me a Thanksgiving baby I suppose.

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**Author:** ![ultrafilter](https://avatars.discourse-cdn.com/v4/letter/u/3d9bf3/32.png) [@ultrafilter](https://boards.straightdope.com/u/ultrafilter)\
**Post date:** [February 12, 2009, 4:29pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/35 "2009-02-12T16:29:01Z")

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> [@tdn](#):
>
> I’m trying to see if there is a more or less even distribution, or if certain months are more birth-populated than others.

[Check this out](http://www.stat.ucla.edu/~dinov/courses_students.dir/data.dir/BirthdayDistribution_1978.txt). It is thirty years old, so you can’t necessarily say that birthday distributions are the same today, but the distribution is pretty clearly non-uniform.

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**Author:** ![welby](https://avatars.discourse-cdn.com/v4/letter/w/d78d45/32.png) [@welby](https://boards.straightdope.com/u/welby)\
**Post date:** [February 12, 2009, 4:33pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/36 "2009-02-12T16:33:24Z")

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March

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**Author:** ![Mahna\_Mahna](https://avatars.discourse-cdn.com/v4/letter/m/e47c2d/32.png) [@Mahna\_Mahna](https://boards.straightdope.com/u/Mahna_Mahna)\
**Post date:** [February 12, 2009, 4:35pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/37 "2009-02-12T16:35:26Z")

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I’m a June baby as well.

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**Author:** ![stretch](https://avatars.discourse-cdn.com/v4/letter/s/a6a055/32.png) [@stretch](https://boards.straightdope.com/u/stretch)\
**Post date:** [February 12, 2009, 4:36pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/38 "2009-02-12T16:36:14Z")

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August…but I was supposed to be born in June. Does that skew your numbers? 😛

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**Author:** ![nonacetone](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/nonacetone/32/2819_2.png) [@nonacetone](https://boards.straightdope.com/u/nonacetone)\
**Post date:** [February 12, 2009, 4:49pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/39 "2009-02-12T16:49:52Z")

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March

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**Author:** ![Annie-Xmas](https://avatars.discourse-cdn.com/v4/letter/a/ecc23a/32.png) [@Annie-Xmas](https://boards.straightdope.com/u/Annie-Xmas)\
**Post date:** [February 12, 2009, 4:52pm UTC](https://boards.straightdope.com/t/the-sdmb-birthday-project/485534/40 "2009-02-12T16:52:17Z")

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_Looks at user name_

December

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