Skandapurana 2.4.2.p106

2.4.2.p106

vidhavā sadhavā jātā vivāhe paṃcame'hani .. 55 .. *
tasmāttu kārtike māsi snānadānapuraḥsaram ..

though a widow, became one whose husband is alive on the fifth day of marriage. (55)
Therefore, in the month of Kārtika, preceded by ablutions and gifts,