The main points for the factors that influence marriage are assigned by the kundali matching method. There are greater chances of success for the marriage, if there are more points matched. This method can be used for analysing compatibility between girl and boy with very few modifications and is not restricted to marriage purpose only. In hindu calendar provides most top 10 hindu festivals, Vrat and Upavas information's.
The excellent method for Horoscope matching in Vedic Astrology is based on Nakshatras also known as Lunar Constellations. This process is called Ashtakoot milan or simply guna milap.
There are various systems for matching of the Gunas like there are a maximum number of 36 gunas in the Ashta-Kuta system of match-making.
There are various websites easily available on the internet such as mPanchang for Kundali