/**
 * Rahu Kaal — the inauspicious eighth of daylight, whose position in the
 * day is indexed by the weekday.
 */
export interface RahuKaalOptions {
    sunrise: Date;
    sunset: Date;
    /** 0 = Sunday … 6 = Saturday. */
    weekday: number;
}
export interface RahuKaalWindow {
    start: Date;
    end: Date;
}
/**
 * The Rahu Kaal window between a day's sunrise and sunset.
 *
 * @example
 * ```ts
 * rahuKaal({
 *   sunrise: new Date('2026-07-01T23:26:37Z'), // 05:12 NPT
 *   sunset: new Date('2026-07-02T13:18:46Z'), // 19:04 NPT
 *   weekday: 4, // Thursday → 6th eighth
 * });
 * // { start: 13:51 NPT, end: 15:35 NPT }
 * ```
 */
export declare function rahuKaal(options: RahuKaalOptions): RahuKaalWindow;
//# sourceMappingURL=rahuKaal.d.ts.map