71 lines
2.6 KiB
JavaScript
71 lines
2.6 KiB
JavaScript
"use strict";
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/*
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* This file contains modifications to code from https://github.com/mhalshehri/hijri-converter
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* that is licensed under the MIT license.
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*
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* Copyright (c) 2018 Mohammed H Alshehri (@mhalshehri) and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the 'Software'), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software.
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* This modified version of the Software is also licensed under the MIT license,
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* and is subject to the same conditions as the original version of the Software.
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*
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* Copyright (c) 2023 Tabby FZ-LLC
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*
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* A copy of the license can be found in the LICENSE file at the root of this
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* distribution.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.rjdToJdn = exports.jdnToRjd = exports.ordinalToJdn = exports.jdnToOrdinal = void 0;
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/**
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* Convert Julian day number (JDN) to date ordinal number.
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* @param {number} jdn - Julian day number (JDN).
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* @returns {number} Date ordinal number.
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*/
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function jdnToOrdinal(jdn) {
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return jdn - 1721425;
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}
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exports.jdnToOrdinal = jdnToOrdinal;
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/**
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* Convert date ordinal number to Julian day number (JDN).
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* @param {number} don - Date ordinal number.
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* @returns {number} Julian day number (JDN).
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*/
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function ordinalToJdn(don) {
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return don + 1721425;
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}
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exports.ordinalToJdn = ordinalToJdn;
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/**
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* Return Reduced Julian Day (RJD) number from Julian day number (JDN).
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* @param {number} jdn - Julian day number (JDN).
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* @returns {number} Reduced Julian Day (RJD) number.
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*/
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function jdnToRjd(jdn) {
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return jdn - 2400000;
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}
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exports.jdnToRjd = jdnToRjd;
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/**
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* Return Julian day number (JDN) from Reduced Julian Day (RJD) number.
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* @param {number} rjd - Reduced Julian Day (RJD) number.
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* @returns {number} Julian day number (JDN).
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*/
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function rjdToJdn(rjd) {
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return rjd + 2400000;
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}
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exports.rjdToJdn = rjdToJdn;
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