Function lupnt::TtToLt¶ Defined in File time_conversions.cc Function Documentation¶ Real lupnt::TtToLt(Real t_tt)¶ Convert TT epoch to Lunar Time (TL) via TDB. TT → TL via TDB. Parameters: t_tt – Epoch in TT [s from J2000] Returns: Epoch in TL [s from J2000]