Skandapurana 5.272.10

5.272.10

kalau niryāti sarveṣāṃ bhūtānāṃ kṣitimaṇḍale ..
paṃcaṣaṣṭyā'dhikaiścaiva dinānāṃ ca śataistribhiḥ ..
bhavetsaṃvatsaraṃ sauraṃ pañconaistaiśca sāvanam .. 6.273.10 ..

[the span of life] slips away for all living beings on the circle of the earth in the Kali [age]. / With three hundred days plus sixty-five, / there is a solar year, and by those [days] diminished by five, a civil year.