How does the US government deal with leap year birthdays?

I don’t think the US government has a notion of ‘official birthday’. It cares about things such as whether you are 18 or not, and for that, it is sufficient to ask whether at least 18 years have passed since your birthday; whether any given date exists in the year where exactly 18 calendar years have passed since your birthday is irrelevant. read more

John Reitz, a professor of law at the University of Iowa and an expert in administrative law, the field of law that includes the administration of government, said that while leap years are an interesting topic for discussion, he’s not aware of any laws speaking to the issue. read more