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. V. ______________________________________________________________
Od: Dennis <de...@avidsoft.com.hk> Komu: FPC-Pascal users discussions <fpc-pascal@lists.freepascal.org> Datum: 01.08.2017 13:14 Předmět: [fpc-pascal] why the 0.5 in the Unix Epoch (for UnixToDateTime function)
I just noticed that the definition of the constants have 0.5 in it. Why? from dateh.inc const JulianEpoch = TDateTime(-2415018.5); UnixEpoch = JulianEpoch + TDateTime(2440587.5); Dennis _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal <http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal>
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