Time Libraries Rough Draft

Marcin 'Qrczak' Kowalczyk qrczak at knm.org.pl
Thu Feb 10 07:11:31 EST 2005

Seth Kurtzberg <seth at cql.com> writes:

> I still think a calendar only makes sense mapping TAI time to other
> structures, including UTC time.  There really are good reasons that
> other systems have implemented it this way.

Which other systems? All systems I know (POSIX, Java, .NET, Common
Lisp) use UTC as a base and don't provide TAI at all.

> The simple fact that UTC time is not monotonically increasing causes
> a whole host of difficulties.

And the simple fact that obtaining TAI from systems in use requires
periodic updates of the leap second table causes other difficulties.

   __("<         Marcin Kowalczyk
   \__/       qrczak at knm.org.pl
    ^^     http://qrnik.knm.org.pl/~qrczak/

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