Julian dates

Dar Scott dsc at swcp.com
Fri Apr 16 04:39:35 EDT 2004


On Friday, April 16, 2004, at 02:07 AM, Mark Wieder wrote:

> Like this? From the Time FAQ for sci.astro:
>
> What's a Julian date?
>
> It's the number of days since noon 4713 BC January 1.

This is often called Julian Day to avoid confusion with the two below.

> Note that this has nothing to do with the Julian calendar:
> The Julian calendar, instituted by Julius Caesar (who else?),

And the third one is the YYYYDDD notation that Rob was talking about.

So which of these three is what your functions use?

Dar Scott



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