Persian Leap Year

A simple library to check if a Persian year is a leap year or not.

Based on this Wikipedia page which references the official Iranian calendar.

Installation

Install it via npm:

npm install persian-leap

Or yarn:

yarn add persian-leap

Or pnpm:

pnpm add persian-leap

Usage

To check if a Persian year is a leap year or not, use the isPersianLeapYear() function.

import { isPersianLeapYear } from "persian-leap";

console.log(isPersianLeapYear(1403)); // true
console.log(isPersianLeapYear(1404)); // false

To get the number of days in a Persian month, use the getDaysInPersianMonth() function.

import { getDaysInPersianMonth } from "persian-leap";

console.log(getDaysInPersianMonth(1403, 12)); // 30
console.log(getDaysInPersianMonth(1404, 12)); // 29