Re: comparing datetime with date

From: Peter Maas (peter_at_somewhere.com)
Date: 09/16/04 

Date: Thu, 16 Sep 2004 13:25:25 +0200

Diez B. Roggisch schrieb:
>>datetime and date are different by implementation, not by meaning. Both
>>are time intervals.
>
>
> Neither of them is - they are discrete points in time, with different
> resolution.
>
> There is a difference in saying "vacation starts at 9/9/2004" or "lets meet
> at 9/9/2004, 12:00" - even to non-programmers.

There are several meanings. A date is valid for 24 hours. If you think
of a date as point in time there is usually a time part of 0:00 silently
added. No matter which meaning you prefer: Evaluating 2004-09-16 ==
2004-09-16T3:14 as true is very surprising.

You could as well say that int(3) == 3.14 is true (disregarding the
fractional part of the second operand). 

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