On 3/15/11 12:30 PM, tim.nightingale at stfc.ac.uk wrote:
> At the nit-picking level, "day" (and "hour" and "minute") are not
> necessarily stable units either, because of the occasional appearance
> of leap seconds. While this won't be of much concern for many users,
> it can be important for precisely timed data.
well, not stable in the sense that you can add 24 * 60 * 60 seconds to a
datetime and be guaranteed to get the same time the next day, but they
are clearly and consistently defined, are they not?
-Chris
--
Christopher Barker, Ph.D.
Oceanographer
Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
7600 Sand Point Way NE (206) 526-6329 fax
Seattle, WA 98115 (206) 526-6317 main reception
Chris.Barker at noaa.gov
Received on Tue Mar 15 2011 - 16:00:51 GMT