As she defined the term, it is sometimes marked by people whose falls near major holidays, the celebration of which may overshadow celebration of the birthday | The more precise method is to add or subtract half the number of days in a year to the birth date |
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Calculation [ ] There are two ways to calculate half-birthdays | Because not all months have the same number of days, this method does not always work — for example, six months after an August 30 birthday would be , which is nonexistent in the |
In the case of a common year, this would be 182.
28It may also be marked by students whose birthday does not occur during the regular school year; a half-birthday allows a celebration with friends at school, with half a cake | The federal government defines the half-year as being "six calendar months" after the anniversary of birth, regardless of what day of the month this produces |
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December 5 becomes June 5 | In leap years, the number of days would be 183 |
Which all three of these kids now think is an actual thing.