трепетать получите текущую дату
import 'package:intl/intl.dart';
main() {
static final DateTime now = DateTime.now();
static final DateFormat formatter = DateFormat('yyyy-MM-dd');
final String formatted = formatter.format(now);
print(formatted); // something like 2013-04-20
}
// https://pub.dev/documentation/intl/latest/intl/DateFormat-class.html
MeVyom