javanese_date_converter

A plugin to convert general calendar (Gregorian Calendar) to Javanese Calendar for Dart.

Overview

Indonesia is a country that has a variety of cultures and beliefs. Not only those, they also has their own local calendar. One of them come from Javanese ethnic, Javanese Calendar. It began to used in Java island since 1625 when Mataram Kingdom was led by Sultan Agung. Generally, the usage is as a basic to count good or bad days, divinatory systems, celebrations, and rites of passage as birth or death.

Getting Started

Dependency

Add javanese_date_converter package as dependency in pubspec.yaml

dependencies:
  javanese_date_converter: <latest version>

Import

Import javanese_date_converter to you Dart file

import 'package:javanese_date_converter/javanese_date_converter';

How to Use

Initialization

JavaneseDate javaneseDate = JavaneseDate(day: 27, month: 7, year: 1999)

or you can use DateTime with this way:

JavaneseDate javaneseDate = JavaneseDate.fromDateTime(DateTime.now());

Feature

Dinapitu

Dinapitu is seven-day wuku cycle corresponds to day names in Gregorian. It consists of Sênèn, Selasa, Rêbo, Kêmis, Jemuwah, Sêtu, and Ngahad.

String dinapitu = javaneseDate.dinapitu;

Pasaran

Pancawara is five-day cycle known as Pasaran that consists of Pon, Wage, Kliwon, Lêgi, Pahing.

Pasaran pasaran = javaneseDate.pasaran;
Map<String, dynamic> associatedSymbols = pasaran.associatedSymbols;

Wetonan

Wetonan is the combination of five-day pancawara cycle with the seven-day wuku week cycle.

String weton = javaneseDate.wetonan.weton;
int neptu = javaneseDate.wetonan.neptu;

Reference

Karjanto, N. and F. Beauducel. “An ethnoarithmetic excursion into the Javanese calendar.” (2020).