The main standard says a leap second is allowed in any month. That's what the reference ntpd does. See ITU-R, TF460, STANDARD-FREQUENCY AND TIME-SIGNAL EMISSIONS. This link may work: http://www.itu.int/dms_pubrec/itu-r/rec/tf/R-REC-TF.460-6-200202-I!!PDF-E.pdf
On the other hand Bulletin C ( ftp://hpiers.obspm.fr/iers/bul/bulc/bulletinc.dat) says December or June. Take your pick. On Wed, Aug 1, 2012 at 10:54 AM, Rob <nom...@example.com> wrote: > steven Sommars <stevesommars...@gmail.com> wrote: > > I've seen no evidence of a denial of service attack, bugs are more > likely. > > Several stratum one servers have been advertising LI=1 continuously for > > the past month. Others alternate between LI=0 and LI=1. > > Most servers claim to run ntpd. > > > > There are over 10 stratum one's that advertise LI=1 as of Wed Aug 1 > > 14:18:51 UTC 2012. Unless this changes another false leap second could > > occur on August 31, 2012 > > When a leapsecond occurs as a result of these bits that is a bug on > its own, because leapseconds can only occur at the end of a quarter. > > _______________________________________________ > questions mailing list > questions@lists.ntp.org > http://lists.ntp.org/listinfo/questions > _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions