qreki_dart 1.0.1

A Dart package for accessing Rokuyo and the old Japanese calendar, '旧暦', enabling easy integration of traditional timekeeping into contemporary apps.

qreki-dart

A Dart package for accessing Rokuyo and the old Japanese calendar, '旧暦', enabling easy integration of traditional timekeeping into contemporary apps.

dart pakcage is here: qreki_dart

Features

You can get these values.

• 六曜 (Rokuyo)
• 旧暦 (The old calendar)

Usage

import 'package:qreki_dart/qreki_dart.dart';
import 'package:qreki_dart/src/helpers/to_ordinal.dart';

void main() {
  print(toOrdinal(DateTime(2017, 10, 17)));
  final k = Kyureki.fromYMD(2017, 10, 17);
  print(k.toString());
  // '2017年8月28日'
  print(k.rokuyouValue);
  // '大安'

  final date = DateTime(2017, 10, 21);
  final k2 = Kyureki.fromDate(date);
  print(k2.toString());
  // '2017年9月2日'
  print(k2.rokuyouValue);
  // '仏滅'

  // 閏月
  final k3 = Kyureki.fromYMD(2020, 6, 14);
  // '2020年4月23日'
  print(k3.toString());
  // '友引'
  print(k3.rokuyouValue);
}

Limitations

• Currently, JST is supported.

Reference

This program is a dart port of Hideaki Takano's QREKI.AWK.

The original qreki.awk and qreki.doc, which formed the basis for this program, are included in the src/qrsamp11 directory. Additionally, this project greatly benefited from the Python port by Shunsuke Ito, known as qreki_py 🎉. Thank you!

For more information on qreki.awk, please visit

• QRSAMP

  • sources
  • original files: ./QRSAMP

• qreki_py