Zemen 📅 by Bytepulse Technologies

A lightweight and efficient Ethiopian calendar conversion library for JavaScript/TypeScript. Convert dates between Ethiopian (የኢትዮጵያ አቆጣጠር) and Gregorian calendars with ease.

Features

• 🚀 Simple and intuitive API
• 💪 Written in TypeScript
• 🎯 Minimal dependencies
• ✅ Fully tested
• 📦 Small bundle size
• 🌍 Supports both browser and Node.js environments

Installation

npm install ethiopian-date-converter-swiss-knife

or

yarn add ethiopian-date-converter-swiss-knife

or

pnpm add ethiopian-date-converter-swiss-knife

Usage

import EthiopianCalendar from 'ethiopian-date-converter-swiss-knife';

const calendar = new EthiopianCalendar();

// Convert Gregorian to Ethiopian
// Using array format
const gregorianDate = [2024, 12, 28];
const ethiopianDate = calendar.toEthiopian(gregorianDate);

// Using date picker string format
const ethiopianDate2 = calendar.toEthiopian('2024-12-28');

// Using individual parameters
const ethiopianDate3 = calendar.toEthiopian(2024, 12, 28);

console.log(ethiopianDate);
/* Output:
{
  dmy: '19-4-2017',
  mdy: '4-19-2017',
  ymd: '2017-4-19',
  ymdArr: [2017, 4, 19],
  amDate: 'ቅዳሜ, 19 ታህሳስ 2017',
  tigDate: 'ቀዳም, 19 ታሕሳስ 2017',
  orDate: 'Sanbata, 19 Muddee 2017',
  dateObject: 2017-04-19T00:00:00.000Z
}
*/

// Convert Ethiopian to Gregorian
// Using array format
const ethDate = [1964, 1, 1];
const gregDate = calendar.toGregorian(ethDate);

// Using date picker string format
const gregDate2 = calendar.toGregorian('1964-01-01');

// Using individual parameters
const gregDate3 = calendar.toGregorian(1964, 1, 1);

console.log(gregDate);
/* Output remains the same */

API Reference

toEthiopian(date: [number, number, number] | string | number, month?: number, day?: number): EthiopianDateResult

Converts a Gregorian date to Ethiopian calendar date. Accepts:

• Array format: [year, month, day]
• Date picker string format: 'YYYY-MM-DD'
• Individual parameters: (year, month, day)

toGregorian(date: [number, number, number] | string | number, month?: number, day?: number): GregorianDateResult

Converts an Ethiopian calendar date to Gregorian date. Accepts:

• Array format: [year, month, day]
• Date picker string format: 'YYYY-MM-DD'
• Individual parameters: (year, month, day)

Why Zemen?

"Zemen" (ዘመን) means "time" or "era" in Amharic. This library aims to make Ethiopian calendar conversions simple and accessible for developers working with dates in Ethiopian context.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Support

If you find this library helpful, please consider giving it a star ⭐️ on GitHub!

Author

Mooler

Made with ❤️ for the Ethiopian developer community