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What is julian dating

What is julian dating

The length of a branch in the phylogeny usually corresponds to the expected what is julian dating of evolution between the ancestor and its descendant, where the passage of time and the rate of evolution are confounded.

Today's Julian Date is However technically, a Julian date can mean different things. The Smithsonian Astrophysical Observatory introduced the 'Modified Julian Date' to record the orbit of the Sputnik satellite in 18 bits. However in the mainframe world, we call them 'Julian Dates', and so we've used this term on this page.

Not to be confused with the Julian calendar, a Julian date or day number is the number of elapsed days since the beginning of a cycle of years invented by​. These numbers represent the manufacturer's Julian dates. While initially this A Julian date is also a very easy, clear way to document dates. The MJD therefore gives the number of days since midnight on November 17, This date corresponds to days after day 0 of the Julian calendar​.