declare type timescale = 'UTC' | 'TT' | 'TAI' | 'GPS' | "UT1";
export declare enum TimeScale {
    UTC = "UTC",
    TT = "TT",
    TAI = "TAI",
    GPS = "GPS",
    UT1 = "UT1"
}
declare global {
    interface Date {
        mjd: (ts?: timescale) => number;
        jd: (ts?: timescale) => number;
    }
}
export declare const jd2Date: (jdUTC: number) => Date;
export {};
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