Kamasutra 5.4.42

5.4.42

sa tu devatābhigamane yātrāyām udyānakrīḍāyāṃ jalāvataraṇe vivāhe yajñavyasanotsaveṣv agny utpāte cauravibhrame janapadasya cakrārohaṇe prekṣāvyāpāreṣu teṣu teṣu ca kāryeṣv iti bābhravīyāḥ/

The followers of Babhravya say that this meeting should take place at the time of going to the temple of a Deity, or on occasions of fairs, garden parties, theatrical performances, marriages, sacrfices, festivals and funerals, as also at the time of going to the river to bathe, or at times of natural calamities, fear of robbers or hostile invasions of the country.