flutterでDateTimeとStringの変換方法とTimeZoneとLocale - Qiita

import "package:intl/intl.dart"; import 'package:intl/date_symbol_data_local.dart'; ・・・ final String sentDateJst; get sentDateFormatted { initializeDateFormatting("ja_JP"); DateTime datetime = DateTime.parse(sentDateJst); // StringからDate var formatter = new DateFormat('yyyy/MM/dd(E) HH:mm', "ja_JP"); var formatted = formatter.format(datetime); // DateからString return formatted; } initializeDateForm

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DateTimeの扱いについて