[plt-scheme] Time Base

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Tue Dec 15 16:26:33 EST 2009

At Tue, 15 Dec 2009 14:20:25 -0700, Doug Williams wrote:
> The data/time routines in PLT Scheme have many warning about using the
> actual values for current-seconds, etc directly and about the base time that
> is used. At least on Windows and Linux (Ubuntu 9.10 in this case),
> current-inexact-milliseconds seems to return the number of milliseconds
> since  00:00:00.000 1 Jan 1970. Is this the case for all systems.
> [...]
> My implementation is fine (and simple) if the above assumption about
> current-inexact-milliseconds is correct.

Yes, I believe that assumption should hold. I meant to double-check and
make that guarantee in the docs years ago, and I'll put that back on my

Posted on the users mailing list.