Messages in this thread |  | | | From | (H. Peter Anvin) | | Subject | Re: GPS Leap Second Scheduled! | | Date | 13 Sep 1998 20:09:44 GMT |
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Followup to: <35FAD20D.DBA99899@his.com> By author: Feuer <feuer@his.com> In newsgroup: linux.dev.kernel > > > > 64-bit seconds field (same as time_t) linked to UTC > > 32-bit nanosecond field (microsecond for timeval) linked to TAI > > 32-bit integral TAI-UTC difference > > > > That way any moment in time will be uniquely derivable at least, at a > > positive leap second, you will see the progression (where T means a > > time_t value divisible by 86400): > > > > Why would you have the TAI-UTC difference instead of just TAI? > The part of your message below was very confusing to me. >
Because it is smaller (fewer bits needed) than another timefield, and an important piece of information in itself.
time_t needs to be UTC, there really is no choice.
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