[fpc-pascal] why the 0.5 in the Unix Epoch (for UnixToDateTime function)

[Mark Morgan Lloyd]

On 01/08/17 12:15, Dennis Poon wrote:
> Vojtěch Čihák wrote:>> Hi,>> wiki
> https://en.wikipedia.org/wiki/Julian_day says that "... Julian > day
> number 0 assigned to the day starting at noon on January 1, 4713 > BC,
> ...">> The noon means 0,5.>Thanks,that is a weird definition though IMHO.

Astronomer's convention.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

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