/**
 * src/arabic/hijri.ts
 * أدوات التقويم الهجري — Hijri calendar, prayer times, Saudi business utilities
 */
export interface HijriDate {
    year: number;
    month: number;
    day: number;
    monthName: string;
    monthNameAr: string;
}
export interface PrayerTimes {
    Fajr: string;
    Sunrise: string;
    Dhuhr: string;
    Asr: string;
    Maghrib: string;
    Isha: string;
    date: string;
    city: string;
}
export declare function toHijri(date?: Date): HijriDate;
export declare function isRamadan(date?: Date): boolean;
export declare function formatHijri(date?: Date, locale?: 'ar' | 'en'): string;
export declare function getPrayerTimes(city: string): Promise<PrayerTimes>;
/**
 * Saudi working week: Sunday (0) through Thursday (4)
 * Weekend: Friday (5) and Saturday (6)
 */
export declare function isWorkingDay(date?: Date): boolean;
export declare function getNextWorkingDay(date?: Date): Date;
export declare function formatSaudiPhone(phone: string): string;
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