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How to Find the number of days and years between two dates Dart or Flutter | Dart by Example


This tutorial shows multiple ways to find the number of days between two dates.

There are multiple ways we can do

How to find the number of days between two dates in dart

First Created two dates with DateTime constructor and now() Next, find the difference between two dates using the difference() method. It returns the Duration object which returns the number of days using the inDays property.

Syntax

Duration difference(DateTime other)

Similarly, you can call Duration.inHours to return the number of hours and divided by 24 to get the days to count.

Here is an example program to find differences in days between two dates.

void main() {
  final date1 = DateTime(1990, 03, 03);
  final date2 = DateTime.now();
  final differenceDays = date2.difference(date1).inDays;
  final differenceDays1= (date2.difference(date1).inHours/24).round();

  print(differenceDays);
  print(differenceDays1);

}

Output:

11724
11724

How to find the number of years between two dates in dart

To get the Number of years counted between two dates, you can useinDays` divided by 365.

void main() {
  final date1 = DateTime(1990, 03, 03);
  final date2 = DateTime.now();
  final differenceDays = date2.difference(date1).inDays;
  final differenceDays1 = (date2.difference(date1).inHours / 24).round();
  final differenceYears = (date2.difference(date1).inDays / 365).floor();

  print(differenceDays);
  print(differenceDays1);
  print(differenceYears);
}

Output:

32

Conclusion

Learned how to find the count of days and years between two dates.

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