Jatakaparijata 13.15

13.15

vivā'rkaśukrau pitṛmātṛsaṃjñitau śanaiścarendū niśi tadviparyayāt |
pitṛvyamātṛṣvasṛsaṃjñitau ca tāvathaujayugmarkṣagatau tayoḥ śubhau ||

By day, the Sun and Venus are called the father and the mother; Saturn and the Moon at night, through reversal;
and both are designated as the paternal uncle and maternal aunt; now, when they are situated in odd and even signs, they are auspicious for them.