How old am I?
Work out an exact age in years, months and days, plus the total days lived and the next birthday.
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The part that catches people out
Months are not a fixed length, so an age in years, months and days is computed by borrowing from the previous month rather than dividing by 30.44. A birthday on 29 February has no anniversary in most years; the total-days figure is unambiguous where the years-months-days one is not.