Works in following fields are prescribed for Friday: good for starting dancing, music, singing, painting; luxurious works, festivals; wearing new clothes & ornaments; friendship, worshipping Kamadeva, females, passion, passionate women, sex, prostitutes, beds, increase in semen; fragrance; comedy, laughter; cows, trade related to food grain & agriculture, farming, selling and purchasing of land, dealing with sugar cane, juicy foods; gems, gold, silver, coffer; transport; lotus; earth; medicine.

It's nature is Ugra Prada, which can be interpreted as "increase of agression". It's good for following works: hunting, poisoning, making of fire arms, fire, gambling; drinking, making alcohol drinks; quarrels, opposition / encounter. Being Rikta (that can be translated as "empty hands", "scanty", "destitute"), it is also suitable for following works: arresting, poisoning, uses of weapon, surgery, igniting fire. Travelling in any direction is strictly prohibited and should be avoided during Krishna Navami.

Related Devatas: Durga, Nagas (Sarpas), Ashtavasu, Shani.
Sompad Tithi month: none.
Manvadi Tithi month: none.
Maasa Tithi Shoonya: Chaitra.
Tithi Shoonya Lagna: Karkata, Simha, Vrshchika.
Tithi Shoonya Nakshatra: Krttika.
Surya Rashi for Dagdha Tithi: none.

Specific actions and works that are suitable for initiation during Chandra in Bharani: cruel & difficult works; courageous works; fire related works; destruction of enemy, poisoning, capture, weapons & arms; entry into fort of cave; well, pond, tank; farming; mathematics, mortgaging, fixed deposits. In classical Brihat Daivygya Ranjan text, it's written that if Visha Nādī, Pāpavaar & Rikta Tithi also coincide then cruel works will be successful.

Gara is benefic, moving Karana, ruled by Bhumi, suitable for: sowing, ploughing, farming, seeds, house, support related. Guru (Jupiter) is Graha that rules Gara.

Shoola (Shūla) is the 9th Nitya (Naisargika) Yoga, which is ruled by Sarpa Devatas (Nāgas is another name) and considered to be malefic one (especially first 5 Ghatis of it). It is one of 7 other malefic Yogas of the lowest order (comparing to Vyatipāta and Vaidhriti, which are malefic Nitya Yogas of the highest order) and its nature can be described as "spear", "death", "iron pin". Graha, who's ruling Shoola, is Guru (Jupiter).

Analysing Muhurta, Chandra in Mesha (Aries) gives bad Chandrabala if one's Janma Rashi (disposition of Chandra in certain sign at birth time) is Kanya (Virgo), Vrshchika (Scorpio) or Vrishabha (Taurus).