Aani Masam is the third month in a traditional Tamil calendar. In 2016, Aani Month begins on June 15, 2016 and ends on July 15. The most important and auspicious day in the month is the Aani Uthiram (July 10, 2016).
Ekadasi dates in Aani Masam are on June 16, July 1 and July 15
Shiva Pradosham dates are on June 17 and July 2.
Sashti Muruga Fasting is on July 10.
Aani Pournami or full moon day is on June 20
Aani Ammavasi is on July 4.
Pillayar Sankatahara Chaturthi is on June 23. (Ganesh Sankashti Chaturthi)
The next month in Tamil Calendar is the Aadi Month.