@xfanta/mars-time/dist/utils.js

Mars time conversion library (MSD, MTC, Darian Calendar)

/**
 * Converts degrees to radians.
 * Commonly used in trigonometric calculations involving angles.
 *
 * @param deg Angle in degrees
 * @returns Angle in radians
 */
export function deg2rad(deg) {
    return deg * Math.PI / 180;
}
/**
* Returns the sol of the year (day number in the current Martian year) from Mars Sol Date (MSD).
* @param msd Mars Sol Date
* @returns Sol of the year (1–669)
*/
export function getSolOfYear(msd) {
    const MARTIAN_YEAR_SOLS = 668.6; // Average number of sols in a Martian year
    const solOfYear = Math.floor(msd % MARTIAN_YEAR_SOLS) + 1; // Calculate sol of year (1-based index)
    return solOfYear;
}