by James Hunt
At some point in their lives , everyone counts back from their birthday and tries to figure out what day of remembrance , special occasion , or other excuse might have happened to their parents nine months before they were born . To make this backtracking recitation easier — and give us the chance to do it for a much larger universe — data point journalistMatt Stilescreated an interactive “ warmth mathematical function ” showing the most common birthday in the United States for somebody stick out between 1994 and 2014 .
snap on the map and you ’ll quickly notice that July , August , and September are by far the most vulgar birth months . It ’s no surprise that nine months prior you ’ll determine the dark and rainy period of October , November , and December when — to put it delicately — people have to make their own entertainment .

But that ’s not all we can recount from the chart . When you take into account the fact that some people get to prefer their shaver ’s birthday because of induced and elective births , they tend to want to persist out from the hospital during understaffed vacation periods .
“ The least - vulgar birthdays in this dataset were Christmas Eve , Christmas [ Day ] , and New Year ’s solar day , ” Stiles concluded . “ date around Thanksgiving are n’t as common . July 4 is also at the bottom of the listing . Conversely , Valentine ’s Day ranks comparatively high , as you’re able to see in the computer graphic , as are the years just before a fresh tax yr begins . ”
Amazingly , though it only comes around every four class , Leap Year babe are n’t as uncommon as you might recall : February 29 ranked 347th out of 366 on the list .
you could play around with the interactional graphic , and see the full ranking of birthdayshere . And when you ’re done there , watch out the mapthat will tell you how long it will take for that natal day menu your grandparents sent to arrive .
A edition of this story black market in 2018 ; it has been updated for 2023 .