Neptune:also called as 'Varun Devata'
Shows ones Imaginations, Dreamy nature- dreams, Poetic, Intutive abilities,
Deep Emotions, Psychic abilities etc.
Moon rules ones mind where Neptune shows one's Sub-conscience mind.
all psychic -mind related contents, psychology , hypnosis -hypnotism etc shown by Neptune.
Neptune Tunes you to the vast ocean of Sub-conscience.
Neptunian energy very useful for Spiritual practices.
On negative note one becomes to much dreamy , introvert & may loose sense of reality, practicality. also one may becomes directionless in Life.

Uranus - also called as 'Harschell'  .
It shows one's rebellious nature, tendency to break free from social , family norms, bondage , rigid structure etc . Expressing one's true self , original nature which may or may not fit into traditional gestures. A true rebel really wants to create something original , who wants to convert a new idea into concrete reality   , higher intellectuality with creativity, Inventor ,future oriented etc

On negative side can be very harmful, dangerous can go against society for achieving  whatever he want to do, can break law and order , can create conflicts with others , fanaticism , threatening behaviour towards other, sometimes extreme idealism shows impracticalness with lack of sound reasoning.

Gulika  or gulik kaal - represents a period which rises at the end of the Saturns portion which is of approx. 1 hr 30 min duration everyday of week.
This period considers to be inauspicious for starting any important work.

RAHU KAAL:

It is a time period in a day  that considers to be negative or not auspicious for starting any good activity or holy work.
It has span of 2 hrs , one should not do or start any good work in this time span.
RAHU  KAAL varies each day and also vary according to place.