Fixed (Sthir)
Movable (Chara)
Fierce (Ugra)
Swift (Kshipra)
Tender (Mridu)
Sharp (Tikshana)
Mixed (Mishr)
More on this classification on the thread...
Rohini(4), Uttar Phalguni(12), Uttar Ashada(21), Uttar Bhadrapada(26)
These Nakshatras are used for work which is fixed or long term in nature like building a foundation, planting trees, construction of home.
Even better if the fall on Sundays
Swati(15), Shravana(22), Dhanishta(23), Satabhishak(24)
These Nakshatras are used for buying vehicles, going on journeys, traveling.
Even better if they fall on Mondays.
Bharani (2), Magha (10), Purva Phalguni (12), Purva Ashada (20), Purva Bhadrapada (25)
These Nakshatras are used for work which requires force, confronting enemy, demolishing a structure.
Even better if they fall on Tuesdays.
Ashwini (1), Pushya (8), Hasta (13)
These Nakshatras are used when Swift action is required, healing, commercial trades, taking or giving loans.
Even better when they fall on Thursdays.
Mrigashira (5), Chitra(14), Anuradha(17), Revati (27)
These are sweet speaking Nakshatras. Best used for making friends, going on dates, romance, enjoying pleasures, friendly Nakshatras.
Even better if they are on Fridays.
Ardra(6), Ashlesha(9), Jyestha(18), Mula(19)
In the old times these Nakshatras were used for evoking of spirits, use of poisons, punishments, sharp Nakshatras offer a sharp tongue, piercing eyes.
Even strong if they happen to fall on Saturdays.
Krittika (3) & Vishakha (16)
These Nakshatras are programmed to give equal treatment to friends & foes. Used for activities like yagyas(fire rituals, worshipping). Mixed in nature.
Even better when they happen to fall on Wednesdays.
Mahurat Chintamani, Narad Puran