There is a branch of Vedic Astrology called muhurtha, which is concerned
with determining auspicious times to perform and inauspicious times to avoid
certain activities. Many of these rules depend on the nakshatra position
of Moon. The Moon is given great importance in Jyotish as it is the
significator of the mind, which is the seat of all action.
For activities with long-term implications (buying a house, starting a
new job), Moon should be in Rohini, Uttarashadha, or Uttarabhadrapada,
which are the fixed nakshatras.
For travel and pleasure activities,
Moon should occupy Ashwini, Pushya, or Hasta; these are called the light
Dhanishta-3, up to and including Revati-3, is considered unsuitable for
all auspicious work. As this covers 5 padas, it is called nakshatra
panchaka (panch means 5).
Pushya is considered favorable for all auspicious activities, except
The above rules are general and universal, as they apply to everyone at
the same time, since the nakshatra position of Moon does not depend on
geographic location. This obviously means that you need to refer to
the birth chart to optimize the best times for a given person, based
upon the dasas and transits in effect at any given
time. We can therefore view the above rules as fixed, and the indications
from the birth chart as temporary. This fixed/temporary duality is
repeated many times in Jyotish,