One person has a 1/365 chance of meeting someone with the same birthday. Two people have a 1/183 chance of meeting someone with the same birthday. Those two people might also have the same birthday, right, so you have to add odds of 1/365 for that.

## What does it mean if you meet someone with the same birthday?

Unless you were born at the exact same time in the exact same place, your rising sign (if not your Mercury sign as well) wont match your partners. It simply implies that you and your partner didnt instantly connect on every astrological level.

## How rare is it to have the same birthday as a family member?

The chance of meeting someone born the same day as you is one in 365, explained Tumulesh Solanky, chair of the math department at the University of New Orleans. He said the chance of two people being born on the same day and having a baby on their birthday is about 1/365 times 1/365.

## What are the odds of marrying someone with the same birthday?

Its certainly a rarity. Statistically speaking, with 365 days in a year, theres a . 27 percent chance of any two people sharing the same calendar date as birthdays. And those odds mean that its possible – improbable but not impossible – for those two people to have a connection and marry.

## What are the chances someone has your birthday?

A persons birthday is one out of 365 possibilities (excluding February 29 birthdays). The probability that a person does not have the same birthday as another person is 364 divided by 365 because there are 364 days that are not a persons birthday.

## Is it bad luck to get married on your birthday?

For example, getting married on your birthday is a definite dont, thought to bring bad luck in love. While youre at it, avoid marrying anyone whose birthday is in the same month as yours, as its sure to mean a stormy marriage. Luckily — maybe — your birthday is seen as an excellent time to die.

## Is 13 months apart Irish twins?

Irish twins are more likely to be born prematurely. For example, if a second babys due date is 13 months after the first child was born, being born a month prematurely would make them Irish twins. In this case, the short spacing is caused by premature birth, not the other way around.