//You can use the intl package https://pub.dev/packages/intl/install
import 'package:intl/intl.dart';
main() {
final DateTime now = DateTime.now();
final DateFormat formatter = DateFormat('yyyy-MM-dd');
final String formatted = formatter.format(now);
print(formatted); // something like 2013-04-20
}import 'package:intl/intl.dart';
DateTime now = DateTime.now();
String formattedDate = DateFormat('yyyy-MM-dd – kk:mm').format(now);import 'package:intl/intl.dart';
import 'package:intl/date_symbol_data_local.dart';
Format Pattern Result
-------------- -------
'EEE, MMM d, ''yy' Wed, Jul 10, '96
'h:mm a' 12:08 PM
'yyyyy.MMMMM.dd GGG hh:mm aaa' 01996.July.10 AD 12:08 PM//add, intl Flutter package
DateTime datetime = DateTime.now();
print(datetime.toString());
//output: 2021-10-17 20:04:17.118089
String datetime1 = DateFormat("yyyy-MM-dd").format(datetime);
print(datetime1);
//output: 2021-10-17
String datetime2 = DateFormat.Hms().format(datetime);
print(datetime2);
//output (Time): 20:04:17
String datetime3 = DateFormat.MMMMEEEEd().format(datetime);
print(datetime3);
//output: Sunday, October 17