flutter_mmcalendar 0.0.2

Myanmar calendar library for flutter application with many utility methods and calculations.

Myanmar Calendar package for Flutter applications.

Features

• Myanmar Date Converter
• Western Date Converter
• Astrological Converter
• Myanmar Thingyan holidays and other holidays calculation

Getting started

Add package

dependencies:
  flutter_mmcalendar: ^0.0.1

Import package

import 'package:flutter_mmcalendar/flutter_mmcalendar.dart';

Usage

Configure default calendarType and language. It is optional.

void main() {
  MmCalendarConfig.initDefault(
    const MmCalendarOptions(
      language: Language.myanmar,
    ),
  );

  runApp(const MyApp());
}

// Get MyanmarDate by year, month and day
MyanmarDate myanmarDate = MyanmarDateConverter.convertByYMD(2023, 10, 29);

// Output: 2567
final buddhistEra = myanmarDate.getBuddhistEra();

// Output: 1385
final year = myanmarDate.getYear();

// Output: Thadingyut
final monthName = myanmarDate.getMonthName();

// Output: full moon
final moonPhase = myanmarDate.getMoonPhase();

// Output: empty
final fortNightDay = myanmarDate.getFortnightDay();

// Output: Sunday
final weekday = myanmarDate.getWeekDay();

Myanmar Date format

myanmarDate.formatByPatternAndLanguage(
    'S s k, B y k, M p f r En',
    LanguageCatalog(language: Language.myanmar),
);
// Output: သာသနာနှစ် ၂၅၆၇ ခု, မြန်မာနှစ် ၁၃၈၅ ခု, သီတင်းကျွတ် လပြည့်  ရက် တနင်္ဂနွေနေ့
// (or)

myanmarDate.formatByPatternAndLanguage(
    'S s k, B y k, M p f r En',
    LanguageCatalog(language: Language.english),
);
// Output: Sasana Year 2567 , Myanmar Year 1385 , Thadingyut full moon   Sunday

Myanmar Date Patterns

Myanmar Date formats are specified by date pattern strings. The following pattern letters are defined ('S', 's', 'B', 'y', 'k', 'M', 'p', 'f', 'E', 'n', 'r', are reserved):

Letter	Date Component	Examples Myanmar	Examples English
S	Sasana year	သာသနာနှစ်	Sasana Year
s	Buddhist era	၂၅၆၁	2561
B	Burmese year	မြန်မာနှစ်	Myanmar Year
y	Myanmar year	၁၃၇၉	1379
k	Ku	ခု
M	Month in year	ဝါခေါင်	Wagaung
p	Moon phase	လဆန်း	waxing
f	Fortnight Day	၁	1
r	Yat	ရက်
E	Day name in week	တနင်္လာ	Monday
n	Nay	နေ့

Concept reference resources

Algorithm, Program and Calculation of Myanmar Calendar

• https://cool-emerald.blogspot.com/2013/06/algorithm-program-and-calculation-of.html (Dr Yan Naing Aye)

C++ and Javascript Implementation

• https://github.com/yan9a/mmcal

Java Library Implementation

• https://github.com/chanmratekoko/mmcalendar