2010 DT= 67.0s -------------------------------------------------------------- The epoch T=J2010.5 is the date 2010 July 2.625 (JD 2455380.125) it corresponds to the Besselian epoch B2010.50150 d h m Beginning of the spring March 20, 17 32.2 UT >> summer June 21, 11 28.4 UT >> autumn September 23, 3 09.0 UT >> winter December 21, 23 38.4 UT d h The Earth at perihelion January 3 0.2 UT The Earth at aphelion July 6 11.5 UT