Works in following fields are prescribed for Sunday: coronation, service to  government / king, worshipping king, service & employment; works related to fire, weapon making & usage, war, bravery, travel, thief catching; doctor, transaction of medicine; purchase of cows, bullocks & animals; works related to gold, silver, copper, wood; bones-skin-hides, Manglik works, Yagya, teaching Mantras (Agni Mantras), religious discourse, music learning; wearing of new clothes, woolen clothes; mountain, stones, dessert, forest, trees, usage of forest items; snake, animal rearing & husbandry; food grain; trade.

It's nature is Mitra Prada, which can be interpreted as "friend increasing". It's good for following works: marriage; dance, music, singing; jewellery making & wearing; Alankar (ornament and decoration works); hand works; travel; entering house; war; works related to elephants. Being Bhadra (that can be translated as "lucky"), it is also suitable for following works or actions: marriage, Upanayana, ornament making and using, clothes; art; travelling by elephant or horses, travel, conveyance; making of roads; oil massage.

Related Devatas: Sūrya, Indra, Buddha.
Sompad Tithi month: none.
Manvadi Tithi month: none.
Maasa Tithi Shoonya: Margashirsha, Ashadha.
Tithi Shoonya Lagna: Karkata, Dhanu.
Tithi Shoonya Nakshatra: Hasta, Moola.
Surya Rashi for Dagdha Tithi: none.

Specific actions and works that should be initiated during Chandra in Krttika: sharp and horrible works, courage, destruction of enemy, weapon, war, treaty, gathering, discussion, declamation, meeting, preparation of medicine, medical knowledge, iron, Mani, Aganayadhan; Yagya, Mundan, Upanayana, worshipping of animals, garden, guerilla war / attack, making fire place for cooking, tying animals. Money shouldn't be lent or borrowed during Chandra in Krttika.

Vishti (Vishtā) is Pāpa (malefic), moving Karana, ruled by Yama (deity, who's responsible for death matters), suitable for: war, igniting fire, posioning, destruction of enemies, overcoming of difficulties. Shani (Saturn) is Graha, who's ruling Vishtā.

Harshana is the 14th Nitya (Naisargika) Yoga, which is ruled by Bhaga and considered to be benefic. Its effect usually described as "joy", "rejoicing", "blooming" or "delightful". Graha, who's ruling Harshana, is Surya (Sūrya).

Analysing Muhurta, Chandra in Vrishabha (Taurus) gives bad Chandrabala if one's Janma Rashi (disposition of Chandra in certain sign at birth time) is Mithuna (Gemini), Dhanu (Sagittarius) or Tula (Libra).