Naradapurana 2.2.9

Nāradapurāṇa 2.2.9

mūlaṃ titheḥ pitṝṇāṃ tu kālajñaiḥ priyamīritam /
ataḥ prāntamupoṣyaṃ hi titherdaśaphalepsubhiḥ //