/**
 * Nakshatra — the 27 lunar mansions, each 13°20′ of the sidereal zodiac,
 * subdivided into four padas of 3°20′.
 */
/** Width of one nakshatra, 13°20′. */
export declare const NAKSHATRA_WIDTH: number;
export interface Nakshatra {
    /** 0–26 (0 = Ashwini). */
    index: number;
    name: string;
    /** Quarter within the nakshatra, 1–4. */
    pada: number;
}
/**
 * Nakshatra of a sidereal longitude (normally the Moon's).
 *
 * @example
 * ```ts
 * nakshatra(127.21); // { index: 9, name: 'Magha', pada: 3 }
 * ```
 */
export declare function nakshatra(siderealLongitude: number): Nakshatra;
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