Dear Friends, Thanks for wonderful information.I would be grateful if you could send me some more details about reason for the difference between UTC & Atomic Time .Kindly also some details about benefit of adding the leap second. best regards, DDPurohit On Fri, May 29, 2015 at 2:50 AM, jmfranke--- via Seesat-l < seesat-l_at_satobs.org> wrote: > Yes, > > Date: Mon, 05 Jan 2015 14:25:49 +0100 > From: IERS EOP Product Center <services.iers_at_obspm.fr> > Reply-To: IERS EOP Product Center <services.iers_at_obspm.fr> > To: bulc.iers_at_obspm.fr > > > > > INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) > > SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE > > SERVICE DE LA ROTATION TERRESTRE DE L'IERS > OBSERVATOIRE DE PARIS > 61, Av. de l'Observatoire 75014 PARIS (France) > Tel. : 33 (0) 1 40 51 22 26 > FAX : 33 (0) 1 40 51 22 91 > e-mail : services.iers_at_obspm.fr > http://hpiers.obspm.fr/eop-pc > > Paris, 5 January 2015 > > Bulletin C 49 > > To authorities responsible for the measurement and distribution of > time > > > UTC TIME STEP > on the 1st of July 2015 > > > A positive leap second will be introduced at the end of June 2015. > The sequence of dates of the UTC second markers will be: > > 2015 June 30, 23h 59m 59s > 2015 June 30, 23h 59m 60s > 2015 July 1, 0h 0m 0s > > The difference between UTC and the International Atomic Time TAI is: > > from 2012 July 1, 0h UTC, to 2015 July 1 0h UTC : UTC-TAI = - 35s > from 2015 July 1, 0h UTC, until further notice : UTC-TAI = - 36s > > > > Leap seconds can be introduced in UTC at the end of the months of > December > or June, depending on the evolution of UT1-TAI. Bulletin C is mailed > every > six months, either to announce a time step in UTC or to confirm that > there > will be no time step at the next possible date. > > > Daniel Gambis > Head > Earth Orientation Center > of IERS > Observatoire de Paris, > France > ---- Kevin Fetter via Seesat-l <seesat-l_at_satobs.org> wrote: > > A leap second will be added, on June 30. > > _______________________________________________ > > Seesat-l mailing list > > http://mailman.satobs.org/mailman/listinfo/seesat-l > > _______________________________________________ > Seesat-l mailing list > http://mailman.satobs.org/mailman/listinfo/seesat-l > -- Divyadarshan D.Purohit Gurudev Observatory, Vadodara India http://www.gurudevobservatory.co.in/ https://www.flickr.com/photos/gurudevobservatory/sets/ _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Fri May 29 2015 - 00:12:41 UTC
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