Jatakaparijata 9.83

9.83

aśvayukcaitrakārtikyāṃ bhādre ca vilasambhavam |
martye mṛtyurgaṇḍadoṣaḥ pātāle nāsti puṣkare ||

in Āśvina, Caitra, Kārttika, and Bhādrapada, it belongs to the netherworld; / in the mortal world, the affliction of gaṇḍa causes death; it does not [cause death] in the netherworld or in the sky.