Matsyapurana 17.3

17.3

ārdrāmaghārohiṇīṣu dravyabrāhmaṇasaṃgame
gajacchāyāvyatīpāte viṣṭivaidhṛtivāsare //

Summer solstice, winter solstice, the period when the sun is in the equinoctial points, the period when the sun passes from one zodiacal sign into another, the period when any planetary body passes from one zodiacal sign into another, on the Amâvasyâ and the aṣṭakâ of the dark fortnight and on the fifteenth day of the moon, the period of the (Ardrâ) sixth, the (Maghâ) tenth and the (Rohini) fourth lunarmansions, the presence of materials and Brâhmaṇas, the time of a gajachchhâyâ, the day of full moon on a Monday, the days called Viṣṭis and Vaidhṛitis, the third day of the bright fortnight of the month Vaisâkha which is the anniversary day of the Satya Yuga, the 9th day of the bright fortnight the month Kartika, the anniversary day of the ‘Treta Yuga’, the 15th day (full moon) of Mâgha, the anniversary day of the Kali Yuga, the thirteenth day of the dark fortnight of the month Bhâdra, corresponding to August-September, which is the anniversary day of the Dvapara Yuga, are the periods and occasions when, by performing Srâddha, one gets bliss and exhaustless merits. So also on the anniversary days of the beginning of a Manvantara, as detailed below.--2-5.