As Shukra is auspicious by its nature and it rules Friday, thus it is considered to be a good day and all auspicious works can be done during it. The nature of it is "delicate, friendly, sweet" (in ancient Sanskrit - "Mridu" or "Maitri"), thus all such types of works are good during this weekday. In combination with "sweet" Nakshatras (Nakshatras which are Mrigashira, Chitra, Anuradha and Revati) activity related to this Nakshatras will be very fruitful. As for effectiveness - Friday is effective during a day-time. Friday is auspicious for everything related to mixed or spotted colors, art, beauty, relationships, women, festivals, etc. A tutelary Devata of Friday is Indra, Adhi-Devata (superior deity who's ruling the day) is Indrani.
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.
