iso_calendar

Dart package for calculating the year and week number based on ISO-8601.

Getting Started

Add a dependency in your pubspec.yaml:

dependencies:
  iso_calendar: ^1.0.0

Create an instance of IsoCalendar using .fromDateTime():

import 'package:iso_calendar/iso_calendar.dart';

void main() {
  final isoCalendar = IsoCalendar.fromDateTime(DateTime(2021, 1, 1));
  print(isoCalendar.year); // 2020
  print(isoCalendar.weekNumber); // 52
}