Re: Is 'right' wrong?
Lloyd Zusman <[email protected]> Sun, 23 Jan 2005 10:42:56 -0500
| Newsgroups | gmane.comp.lib.libtai |
|---|---|
| Message-ID | <[email protected]> |
Malte Tancred <[email protected]> writes: > On Jan 23, 2005, at 7.37, Lloyd Zusman wrote: >> [email protected] (Paul Jarc) writes: > [...] >>> That's not a meaningful comparison. You can compare simultaneous >>> time() values from two machines, or two simultaneous "date" outputs. >>> But a time_t value and the human-readable string are of two different >>> kinds. >> >> I know they are two different kinds. But I _want_ my human-readable >> string to be the same as my system clock. I _want_ it to be 22 seconds >> (currently) later than the human-readable values that most people see. >> >> I even want to set my watch to that time. I like the feeling of being >> on "real time" instead of "fake, missing-leap-second time". This is >> purely whimsical. > > So, this was really a meaningless discussion from the start. :-) > You don't *want* your clock to be in sync with civil time. Well, I didn't understand until late in the discussion that it's unusual for people to want their human-readable time to be (currently) 22 seconds off from "civil" time. I thought it was normal to do that among those who are trying keep their system clocks in sync with TAI. But once I realized that I am an outlier in wanting to do this with my human-readable time, I decided to remain so. That's the "whimsical" part. But I'm sorry if I have wasted bandwidth in trying to understand all of this. > The only 'strings' with meaningful representations of TAI instants > would be what Dan is using on <URL:http://cr.yp.to/proto/utctai.html>: > > "For example, here's how UTC and TAI handled the end of June 1997: > > 1997-06-30 23:59:59 UTC = 1997-07-01 00:00:29 TAI > 1997-06-30 23:59:60 UTC = 1997-07-01 00:00:30 TAI > 1997-07-01 00:00:00 UTC = 1997-07-01 00:00:31 TAI" > > All other strings---that is, all other representations of the atomic > time---depends on UTC and hence depends on leapseconds (or really on > how fast earth is rotating). > > I should add 'as far as I know'. > > Regards, > Malte > > -- Lloyd Zusman [email protected] God bless you.