Kalyan Saptami is observed in the Phalgun month in North India. Kalyan Saptami Vrat 2023 date is February 26. The day falls during the Holashtak period in North India and is associated with the upcoming Holi festival. Kalyan Saptami is observed on the seventh day of waxing phase of moon, or Shukla Paksha Saptami, in Phalgun month. It is usually observed when Shukla Paksha Saptami falls on Sunday or Tuesday. It is believed that observing this vrat will help in sin redemption. 

In Hindu Astrology, Shoola is one of the twenty seven yogas and is related to the apparent motion of the sun and the moon. It is the ninth yoga in the order and Sarpa (serpent) is the lord of this yoga. It is an inauspicious yoga, especially the first two hours. Important remedies include offering prayers at Naga sthals, food donation, and donating clothes. As per Horaratnam, people born in this yoga have good fortune and possess good qualities. He will be religious minded, will get good education and will acquire wealth. However, they will suffer pain in the body especially in the stomach. 

I am the thread that runs through all these pearls. (7.7) The scriptures is your authority as regards the determination of what is to be done and what is not to be done. (16.4) That gift is referred to as born of sattva which gift is given with the idea that it ought to be given, to one who will not serve in return, and at the (proper) place, (proper) time and to a (proper) person. (17.20) The gift which is given expecting reciprocation, or again, with a desire for its result, and which is given grudgingly that is considered to be born of rajas. (17.21) Gift which is made at an improper place and time, and to undeserving persons, without proper treatment and with disdain, is declared to be born of tamas. (17.22) Related Bhagavad Gita Chapter 11 Reflections