Re: Dates BC.

From: david(at)fetter(dot)org (David Fetter)
To: Q(at)ping(dot)be (Kurt Roeckx), pgsql-hackers(at)postgresql(dot)org
Subject: Re: Dates BC.
Date: 2003-12-18 15:05:24
Message-ID: 200312181505.hBIF5OeI014270@fetter.org
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In article <20031218131120(dot)GA11684(at)ping(dot)be> you wrote:
> I find this a little strange:
>
> select date_part('year', '0002-01-01 BC'::date);
> date_part
> -----------
> -1
>
> It seems 1 BC and 0 are the same year.

There is an unresolveable legacy problem here, in that Brahmagupta did
not yet invent the mathematical concept of 0 until ~ 598 CE, by which
time the Roman Empire had fallen (depending on whether you believe it
actually fell). We'll just have to live with some weirdness on this
one. :)

Cheers,
D
--
David Fetter david(at)fetter(dot)org http://fetter.org/
phone: +1 510 893 6100 cell: +1 415 235 3778

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In response to

  • Dates BC. at 2003-12-18 13:11:20 from Kurt Roeckx

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