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Re: Calculation of MOON PHASE, for use as a function in SUPERCHARTS,
Here's another approximate expression for calculating MOON PHASE, which is
simple & fast, and accurate to within approximately 1 day (+/-).
moon-age = mod( datetojulian(date) - 2 , 29.53 )
( where moon-age =0 at time of new moon, and = 14.77 at time of full moon)
I've found it useful over the years as a function to use in systems studies,
indicators, and show-me or paint-bars, conditions etc.)
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