Check if one date is later then first date

[John W. Kennedy]

Still arbitrarily set. It could have been 01/01/1969 or 10/25/1955,
from a coding perspective there's no difference between the two.


Evidently you're not aware of the function of Julian dates in the
computer sciences. COBOL uses 01/01/1601. NASA uses 5/24/1968. The
PICK OS used 01/01/1965. Astronomers have their own julian system and
there are various other niche systems. These are all Julian date
systems which represents the passage of time with a simple integer.
There is no single Julian date, there is an original Julian calendar and
there are a plethora of additional Julian systems with different
starting dates. The selection of 1/1/1970 was an arbitrary decision by
the developers of the language, 1/2/1970 would have worked just as well
as far as javascript is concerned.

The Julian date and the Julian calendar are unrelated; they were
accidentally both named in honor of two different men named "Julius".

The genuine Julian date starts January 1st, 4713 B.C. The other "Julian
dates" are bastard usages invented by illiterates to spread confusion
and havoc.

 

[Dr J R Stockton]

The Julian date and the Julian calendar are unrelated; they were
accidentally both named in honor of two different men named "Julius".

The Julian Calendar was undoubtedly named after the one who decreed it,
the real-life version of the well-known Shakespeare character, though I
don't know who actually decided to call it that. Perhaps Sosigenes was
told to do so.

The Julian Period was undoubtedly invented by Scaliger /fils/ and named
by him after Scaliger /pere/.

The use of Julian Date was invented by John Herschel, and its origin is
the beginning of Scaliger's Julian Period. But is it known who *named*
it "Julian" (probably Herschel, though he had a perfectly good /pere/
who he could have honoured) and for certain whether the Julian is in
fact Scaliger's dad or is some other worthy, presumably not Caesar?

The genuine Julian date starts January 1st, 4713 B.C. The other "Julian
dates" are bastard usages invented by illiterates to spread confusion
and havoc.

The Chronological Julian Date starts then, Julian BC 4713-01-01 00:00:00
local time being Date 0.0.

The Julian Date starts at Julian BC 4713-01-01 12:00:00 GMT being Date
0.0.