In message <20130227054857.GD7506@xxxxxxxxxxxxxxx>, Andrew Sullivan writes: > On Tue, Feb 26, 2013 at 01:31:12PM -0900, Melinda Shore wrote: > > it's 23:59 + 1 minute, which is clear. But I really > > think "24:00" is confusing. 0:00 is clearer. I'm > > wondering if they're trying to work around some ferkakte > > piece of software. > > I don't think so. ISO (ISO 8601) seems to think that "24:00" refers > to the very end of the day, and "00:00" refers to the very beginning > of the next day. So there's a conceptual distinction involved. > > A And to avoid confusion many places use 23:59:59 as end of trading day. Mark -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka@xxxxxxx