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Re: Julian Day Numbers
Craig Markwardt <email@example.com> writes:
> There are other conventions, at least in astronomy. The Modified
> Julian Day (MJD) and Truncated Julian Day (TJD) are very similar time
> systems, the only difference being the zero-point. Thankfully these
> systems subtract the 0.5 day that makes standard Julian days so
> complicated and confusing. [ A day changeover at *noon* ??? ]
But I thought the Julian Day was created by astronomers to prevent a
day changeover in the middle of the night, i.e. during one observing
session! Have I been living a lie all this time!
I feel *so used*!
William Daffer: 818-354-0161: William.Daffer@jpl.nasa.gov