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Description:

age

age #
A Flutter package to calculate someone's age in days, months, and years; in addition it can be used to find the difference between two dates.
Getting Started #
In your flutter project add the dependency:
dependencies:
...
age: ^0.0.1
For help getting started with Flutter, view the online documentation.
Example #
import 'package:age/age.dart';

void main() {
DateTime birthday = DateTime(1990, 1, 20);
DateTime today = DateTime.now(); //2020/1/24

AgeDuration age;

// Find out your age
age = Age.dateDifference(
fromDate: birthday, toDate: today, includeToDate: false);

print('Your age is $age'); // Your age is Years: 30, Months: 0, Days: 4

// Find out when your next birthday will be.
DateTime tempDate = DateTime(today.year, birthday.month, birthday.day);
DateTime nextBirthdayDate = tempDate.isBefore(today)
? Age.add(date: tempDate, duration: AgeDuration(years: 1))
: tempDate;
AgeDuration nextBirthdayDuration =
Age.dateDifference(fromDate: today, toDate: nextBirthdayDate);

print('You next birthday will be on $nextBirthdayDate or in $nextBirthdayDuration');
// You next birthday will be on 2021-01-20 00:00:00.000 or in Years: 0, Months: 11, Days: 27
}
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