Skandapurana 5.205.984_20

5.205.984_20

tasminnahani deveṃdra tvayā yatra vinirmitam ..
pretapakṣe caturdaśyāṃ śastreṇa nihatasya ca .. 6.206.100 ..

on that day, O lord of gods, where it was instituted by you, / on the fourteenth day in the pretapakṣa, and for one slain by a weapon;