Tithi calculator for any given location and date finds the exact phase of moon or Thithi and the ruling deity of Thithi, online.
In Tamil astrology, Moon phase calculator is known as Tithi calculator, and moon phase or Lunar phase is known as Thithi. Each thithi is dedicated to a deity or devatha, and each lunar phase has a unique name in Tamil.
Tamil names of each tithi are as follows; pirathamai, thuvithiyai, thiruthiyai, chathurthi, panjchami, sashdi, sapthami, ashdami, navami, thasami, eagaathasi, thuvaathasi, thirayoathasi, chathurthasi and paurnami / amaavaasai.
Tithi plays an important role along with varam, nakshatram, yogam and karanam in our daily as well as special occasions in selecting the nalla neram, muhurtham, pithur karmam, etc.
Thithi is calculated when the moon moves 12 degrees eastwards from the sun. First such move - phase is known as prathamai thithi during sukla paksham or waxing moon. When the moon moves 180 degrees it is known as paurnami or full moon and when the moon moves 360 degrees it is known as amavaasai.
Favorable day for worshiping
The tithi that you were born at, considered to be the most favorable day for worshiping.
Offerings to the deceased
Thithi is also considered very important day to pay homage to deceased parents and ancestors. Special offerings are made on their annual tithi. Favorite food of the deceased person are specially prepared and offered on this day.