Age calculation script
mark at maseurope.net
Fri Sep 8 08:36:52 CDT 2006
Great! Actually, the other way it is likely to be wrong is when
today's date is very close to the persons birthday - eg if a persons
age is really 16 yrs 11 months, and their birthday is a couple of
days from now, it may give 17 yrs 0 months.
These date/period things can be tricky, so you have to decide how
accurate you need to be, and do the extra work to accomodate that!
On 8 Sep 2006, at 14:16, William de Smet wrote:
> Thanks Mark,
> It works!
> Like I said it's an educational stack so the pupils/students are not
> older than 20 so leap years are not important.
> William de Smet
> 2006/9/8, Mark Smith <mark at maseurope.net>:
>> function getAge bDay
>> put 60 * 60 * 24 * 365 into secsPerYear
>> put secsPerYear / 12 into secsPerMonth
>> put the seconds into tDay
>> -- assuming date of birth is given in short system date format
>> convert bDay from short system date to seconds
>> put tDay - bDay into tAgeInSecs
>> put tAgeInSecs div secsPerYear into tYears
>> put (tAgeInSecs mod secsPerYear) div secsPerMonth into tMonths
>> return tYears && tMonths
>> end getAge
>> This is pretty rough and ready, it doesn't try to take into account
>> leap years and so-on, but unless the person is really old (100 yrs
>> + ?), it should be close enough. Also, see 'centuryCutoff' in the
>> docs if you're going to be dealing with older people.
>> On 8 Sep 2006, at 13:22, William de Smet wrote:
>> > Hi there,
>> > For an educational app I want to calculate someone's age based
>> on date
>> > of birth and todays date but I don't know how to start!
>> > I made a field in which the user puts its 'date of birth' (dd/mm/
>> > and a button that needs to compare 'todays date' and the 'date of
>> > birth'.
>> > The output needs to be : age and months (and days?)
>> > Is there someone who has any suggestions?
>> > greetings,
>> > William de Smet
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> Herman Broerenschool
> 2612 SP Delft
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