julianDayTT function

double julianDayTT(
  1. double jdUt, {
  2. double? deltaTSeconds,
})

Julian day in Terrestrial Time (TT) for jdUt.

deltaTSeconds overrides the deltaT model with your own value.

Implementation

double julianDayTT(double jdUt, {double? deltaTSeconds}) =>
    jdUt + (deltaTSeconds ?? deltaT(jdUt)) / 86400;