From: Randy Kramer <rhkramer@...>
Date: 2005-09-28T22:23:13+09:00
Subject: Re: Time interval

On Tuesday 27 September 2005 08:18 pm, Dave Howell wrote:
> On Sep 27, 2005, at 6:58, Randy Kramer wrote:
> > On Tuesday 27 September 2005 04:51 am, Robert Klemme wrote:
> >> No, I mean because of the underlying model (our calendar).  Months
> >> have
> >> different lengths.  Same for years and quarters.
> [text deleted]
>
> > Do others see the need for other approaches?
>
> There is no "answer" to this problem because the correct usage is
> tremendously context sensitive.

Thanks, you're right!

> There are 58 shopping days until Christmas.
>
> The convention is in 8 weeks. (58 days = 8.2 weeks)
>
> Your work on the Monster House must be complete in 2 days, 12 hours, 14
> minutes, and 34.5 seconds.

Good examples.

Randy Kramer

> The Date class (if I recall correctly) uses Days and fractions of Days
> for the internal representation, and lets you access a variety of
> interval measures. Which ones you use will depend very much on what
> kind of events you're measuring the distance between.