Brihajjataka 4.5

4.5

divā arka śukrau pitṛ mātṛ saṃjñitau śanaiścara indū niśi tad viparyayāt/
pitṛvya mātṛ svasṛ saṃjñitau ca tāv atha oja yugma ṛkṣa gatau tayoḥ śubhau//(vaṃśastha)

By day the Sun and Venus are designated as father and mother, Saturn and the Moon by night; through their reversal / they are designated as paternal uncle and maternal aunt; and their situation in odd and even signs respectively is auspicious.