Jeff Garland wrote:

> Beman Dawes wrote:
> >When does conversion matter?  One case is when a user of one time system
> >needs to pass a time to a library which happens to use another time system.
>
> The tricky part is that we don't want these date library to become codependent .  That is I envision
> the Mayan system would go in boost/gdtl/mayan and I shouldn't need the gregorian system to use the
> mayan system, and vice versa.  The only time I would need both is in doing conversion between
> them...

Would it be reasonable to require that all date systems to provide:
1. conversion to a basic counted system with resolution and base of its choice
2. the resolution of its basic counted system
3. its base in a universal time format

Glen