@zodiacs/engine 1.0.0
    Preparing search index...

    Variable DELTA_T_IERS_MODELConst

    DELTA_T_IERS_MODEL: "iers-utc/1"

    The ΔT model name for a value derived from leap seconds and IERS UT1 − UTC: a chart's from 1972 to the end of the IERS UT1 table. DELTA_T_MODEL names the model used at every other instant.