Dakshasmriti 2.23

2.23

pitṝṇāmaparāhṇe ca kāryyāṇyetāni yatnataḥ
paurvvāhṇikantu yat karma yadi tatsāyamācaret

and rites for ancestors in the afternoon—these must be performed with effort. / If one performs in the evening a rite that belongs to the forenoon,