Adapter islamic and persian

[mbsh-code]

Hello friends Does anyone have a sample adapter file for Jalali calendar (Persian) or Hijri calendar (Islamic)? If possible, put it here for me I have some samples but it doesn't work properly I use matdatepicker and version 17 of Angular

[shahradelahi]

import { DateTime } from 'luxon';

export interface JalaliDate {
  year: number;
  month: number;
  day: number;
}

/**
 * Converts a date to Jalali date.
 *
 * @param date - The date to convert, as a `DateTime` or `Date`.
 * @returns The Jalali date representation of the input date.
 *
 * @example
 * toJalali(new Date('2025-01-25'));
 * // => { year: 1403, month: 11, day: 6 }
 */
export function toJalali(date: DateTime | Date): JalaliDate {
  const dt = (date instanceof Date ? DateTime.fromJSDate(date) : date)
    .setLocale('fa-IR')
    .toLocaleParts();

  function fromPersian(num: string): number {
    return Number(num.replace(/[۰-۹]/g, (d) => '۰۱۲۳۴۵۶۷۸۹'.indexOf(d).toString()));
  }

  const year = dt.find((d) => d.type === 'year')!.value;
  const month = dt.find((d) => d.type === 'month')!.value;
  const day = dt.find((d) => d.type === 'day')!.value;

  return {
    year: fromPersian(year),
    month: fromPersian(month),
    day: fromPersian(day),
  };
}

References

• How to change Gregorian date to Persian date in JavaScript?