BanglaDate Class

The BanglaDate class provides functionality to work with the Bangla calendar system, including converting Gregorian dates to Bangla dates, formatting dates in multiple languages (English, Bengali, and Hindi), and retrieving various date components.

Features

• Convert Gregorian dates to Bangla calendar dates.
• Support for multiple languages: English (en), Bengali (bn), and Hindi (hi).
• Retrieve date components such as year, month, day, hours, minutes, seconds, etc., in the specified language.
• Format dates using custom format strings.
• Localize dates using Intl.DateTimeFormat for proper internationalization.
• Handle leap years in the Bangla calendar.

Example Usage

Installation

npm install @subrotosaha/bangla-date

Importing and Initializing

import BanglaDate from "@subrotosaha/bangla-date";

const banglaDate = new BanglaDate(new Date(), "bn");

Retrieving Date Components

console.log(banglaDate.getYear()); // Example: ১৪৩১
console.log(banglaDate.getMonth()); // Example: ১২ (Bangla month index)
console.log(banglaDate.getDate()); // Example: ২৮ (Bangla day)
console.log(banglaDate.getDay()); // Example: ৪ (Day of the week)
console.log(banglaDate.getHours()); // Example: ২১ (Current hour)
console.log(banglaDate.getMinutes()); // Example: ১ (Current minutes)
console.log(banglaDate.getSeconds()); // Example: ৫৫ (Current seconds)
console.log(banglaDate.getMilliseconds()); // Example: ১৫৫ (Current milliseconds)
console.log(banglaDate.getTime()); // Example: ১৭৪৪২৯৭৩১৫১৫৫ (Timestamp in milliseconds)
console.log(banglaDate.getFullYear()); // Example: ২০২৫ (Gregorian year)
console.log(banglaDate.getTimezoneOffset()); // Example: -৩৬০ (Timezone offset in minutes)
console.log(banglaDate.getUTCDate()); // Example: ১০ (UTC day)

Parsing and Formatting Dates

console.log(banglaDate.parse("1 - 1 - 1400")); // Example: Parsed Gregorian date
console.log(banglaDate.format("YYYY-MM-DD")); // Example: ১৪৩১-১২-২৮ (Formatted date)
console.log(banglaDate.format("DD/MM/YYYY")); // Example: ২৮/১২/১৪৩১ (Formatted date)
console.log(banglaDate.format("MM-DD-YYYY")); // Example: ১২-২৮-১৪৩১ (Formatted date)
console.log(banglaDate.format("YYYY/MM/DD")); // Example: ১৪৩১/১২/২৮ (Formatted date)
console.log(banglaDate.format("DD/MM/YY")); // Example: ২৮/১২/৩১ (Formatted date)

Localizing Dates

console.log(banglaDate.toLocaleDateString("en-US")); // Example: 10/4/2025 (Localized date string)
console.log(banglaDate.toLocaleString("bn-BD")); // Example: ১৪৩১-১২-২৮ ২১:১:৫৫ (Localized string)
console.log(banglaDate.toLocaleDateString("hi-IN")); // Example: १४३२-६-१८ (Localized date string)