Ed Davies wrote on 2006-01-19 11:40 UTC:
> Appendix A argues against putting the adjustment interval after the
> leap second (method 4a) by pointing out that some time signals contain
> announcements of the leap second before it happens but not after.
>
> I think a stronger argument against this method of adjustment is that
> during positive leap seconds UTC and UTC-SLS would be indicating
> different dates:
>
> UTC UTC-SLS(A.4a)
> 2005-12-31 23:59:58 2005-12-31 23:59:58
> 2005-12-31 23:59:59 2005-12-31 23:59:59
> 2005-12-31 23:59:60 2006-01-01 00:00:00
> 2006-01-01 00:00:00 2006-01-01 00:00:00.999
> 2006-01-01 00:00:01 2006-01-01 00:00:01.998
Wonderful observation! I will certainly add a note on this to Appendix A
in the next iteration of this draft.
Thanks!
Markus
--
Markus Kuhn, Computer Laboratory, University of Cambridge
http://www.cl.cam.ac.uk/~mgk25/ || CB3 0FD, Great Britain
Received on Thu Jan 19 2006 - 10:38:05 PST