2019                 DT= 70.0                         
--------------------------------------------------------------                       
  The epoch T=J2019.5 is the date 2019  July   2.875(JD 2458667.375)
  it corresponds to the Besselian epoch  B2019.50169

                                     d   h  m
 Beginning of the spring March     20, 21 58.4  UT 
    >>            summer June      21, 15 54.2  >>
    >>            autumn September 23,  7 50.2  >>
    >>            winter December  22,  4 19.4  >>

                                     d   h 
 The Earth at perihelion January    3,  5.3 UT
 The Earth at aphelion   July       4, 22.2 >>