指定日における年齢を計算する

AppleScript名：指定日における年齢を計算する

— Created 2015-09-10 by Takaaki Naganoya
— 2015 Piyomaru Software
use AppleScript version "2.4"
use scripting additions
use framework "Foundation"

–http://stackoverflow.com/questions/4463893/
–how-to-calculate-the-age-based-on-nsdate

set aBirthday to "2009-04-24 12:00:00" –誕生日

set aFormatter to current application’s NSDateFormatter’s alloc()’s init()
aFormatter’s setDateFormat:"yyyy-MM-dd HH:mm:ss"
aFormatter’s setTimeZone:(current application’s NSTimeZone’s timeZoneForSecondsFromGMT:0)
set aBirthdayDate to aFormatter’s dateFromString:aBirthday

set currentDate to getDateInternational(2018, 4, 1, 9, 59, 35, "JST") of me
set ageComponents to current application’s NSCalendar’s currentCalendar()’s components:(current application’s NSCalendarUnitYear) fromDate:aBirthdayDate toDate:currentDate options:0
set myAge to ageComponents’s |year|()
–>　　8

–Make a GMT Date Object with parameters from a given time zone.
on getDateInternational(aYear, aMonth, aDay, anHour, aMinute, aSecond, timeZoneAbbreviation)
　　set theNSCalendar to current application’s NSCalendar’s currentCalendar()
　　theNSCalendar’s setTimeZone:(current application’s NSTimeZone’s timeZoneWithAbbreviation:(timeZoneAbbreviation))
　　set theDate to theNSCalendar’s dateWithEra:1 |year|:aYear |month|:aMonth |day|:aDay hour:anHour minute:aMinute |second|:aSecond nanosecond:0
　　return theDate
end getDateInternational