Birthdates are complicated. It's quite possible for you to tell someone your birthday and be "wrong" because of the timezone you are in. Or for you to be more o

Birthdates are complicated. It's quite possible for you to tell someone your birthday and be "wrong" because of the timezone you are in. Or for you to be more or less "years" old than your birth date indicates because of timezone differences between where you were born and where you are now. Rarely matters. Simple mistake in code to forget that a birthdate should be treated as having no timezone. Depending on time of birth it could have been you that was off by one