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ungood/gist:946554

Created April 28, 2011 15:21
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Calculate Moon Landing Equinox
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gistfile1.js
function calcEquinox(midpoint) {
midpoint = midpoint || new Date();
var moonLanding = new Date("7/20/1969 20:17:40 UTC");
console.log(moonLanding);
var equinox = (2 * midpoint.getTime()) - moonLanding.getTime();
return new Date(equinox);
}
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