The Induan is, in the geologic timescale, the first age of the Early Triassic epoch or the lowest stage of the Lower Triassic series. It spans the time between  Ma and Ma (million years ago). It is preceded by the Changhsingian and is followed by the Olenekian.

The Induan is, in the geologic timescale, the first age of the Early Triassic epoch or the lowest stage of the Lower Triassic series. It spans the time between  Ma and Ma (million years ago). It is preceded by the Changhsingian and is followed by the Olenekian.