MB Free Astrology Nithya Yoga calculates your birth yoga or nitya yoga. ?Yoga" means an "union" or "relationship" or angle between the longitudes of the sun and the moon. They are also known as Yoga Taras of Nakshatras (Birth Star). Yogas help in finding out the auspiciousness of the day. MB Free Astrology Nithya Yoga helps you find the ruling yoga at the time of your birth. As per Vedic astrology, it is the Yoga of a person which represents his characteristic traits, behavior and nature. In fact, the native's behavior, his power and skills are also represented by this particular aspect of Hindu astrology. This helps you understand your positive and negative traits, thus helping you improve your personality.