Skanda Purana 15.7.25

15.7.25

śrāddhaṃ praśastaṃ vipreṃdrāḥ saṃprāpte caṃdrasaṃkṣaye ..
sūryagrahe viśeṣeṇa kurukṣetraphalaṃ smṛtam ..
śrāddhe snāne tathā dāne pitṝṇāṃ tarpaṇe tathā.. 25 ..

A śrāddha is praised, O chiefs of brahmins, when the conjunction of the new moon arrives; / in a solar eclipse especially, it is considered equal in fruit to Kurukṣetra. / In śrāddha, ritual ablution, and gift-giving, as well as in water-libation to the ancestors,