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Reduced Julian Day (RJD)

Last modified by

MichaelBartmess

on

Jul 24, 2020, 6:28:07 PM

Created by

MichaelBartmess

on

Oct 23, 2015, 1:05:16 AM

$"TJD" = "Floor [ JD"[ "mo" , "day" , "yr" ]" ] - 2440000"$

$"Month"$

$"Day"$

$"Year"$

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1efe1f74-7922-11e5-a3bb-bc764e2038f2

This equation gives you the Reduced Julian Day (RJD) when you input a Gregorian (standard modern calendar date).

The RJD's starting point epoch is noon on November 16, 1858.

Example

If you input January 1, 2000, this equation will return the Reduced Julian Day: 51545.0

If you input November 16, 1858, this equation will return the Reduced Julian Day: 0.0

See Also

This equation, Reduced Julian Day (RJD), references 3 pages

Equations and Data Items

• Month Choice EiE by MichaelBartmess

• Day Choice EiE by MichaelBartmess

• Gregorian Calendar to Julian Day Number (JDN) by MichaelBartmess

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