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Wakusei Planets惑星

The Sun, the planets and their moons as a clean line drawing, a shaded realistic drawing or a painted surface map, with real sizes, tilt and rotation, and the moons where they are at any date and time.

Wakusei is the Japanese word 惑星 for a planet. About the name

Contents

Reference · Julian dates (and the julian package's functions), calendars, time scales, sidereal time and Mars time

coordinatedMarsTimefunction

Coordinated Mars Time: the mean solar time on Mars's prime meridian, in hours from 0 up to 24 (a Martian hour is 1/24 of a sol).

Import it

import { coordinatedMarsTime } from "@johnmorrisdotca/wakusei-planets/time";

Definition

function coordinatedMarsTime(when: When): number

Parameters

NameTypeDescription
whenWhen

A Date or milliseconds since 1970 (UTC).

Returns

number

Hours.

Examples

import { coordinatedMarsTime } from "@johnmorrisdotca/wakusei-planets/time";

console.log(coordinatedMarsTime(Date.UTC(2021, 1, 18, 20, 55)).toFixed(2));
10.91

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/wakusei-planets 0.24.0.