Dart date formatting

main.dart

import 'package:intl/intl.dart';
import 'package:intl/date_symbol_data_local.dart';

void main() async {
  final parsedDate = DateTime.parse('2022-08-04 17:00:00');
  await initializeDateFormatting('pt_BR');
  final formattedDate = DateFormat('E d MMM y', 'pt_BR').format(parsedDate);
  final capitalizedDate = formattedDate.split(' ').map((e) => '${e[0].toUpperCase()}${e.substring(1)}').join(' ');
  print(capitalizedDate);
}