import dayjs from "dayjs";
/**
 * Calculate solar time for a specific date
 * @param {Date} date - The date to calculate the solar time.
 * @param {number} longitude - The longitude of the location.
 * @param {Object} [options] - The options to calculate the solar time.
 * @param {number} [options.utc] - The UTC offset to use, defaults to the local UTC offset.
 * @returns {LST: Dayjs, TC: number, EoT: number, B: number, LSTM: number}
 */
export declare const Solar: (date: Date, longitude: number, options?: {
    utc: number;
}) => {
    LST: dayjs.Dayjs;
    TC: number;
    EoT: number;
    B: number;
    LSTM: number;
};
/**
 * Calculate solar time for the current date
 * @param {number} longitude - The longitude of the location.
 * @param {Object} [options] - The options to calculate the solar time.
 * @param {number} [options.utc] - The UTC offset to use, defaults to the local UTC offset.
 */
export declare const SolarNow: (longitude: number, options?: {
    utc: number;
}) => {
    LST: dayjs.Dayjs;
    TC: number;
    EoT: number;
    B: number;
    LSTM: number;
};