Indian Chronology (Solar, Lunar and Planetary): A Practical Guide to the Interpretation and Verification of Tithis, Nakshatras, Horoscopes and other Indian Time-records, B.C. 1 to A.D. 2000 c25.17

Now, to deduce the 15th day of Âni, the first being given, is an easy matter: for we have only to add 14 to "3 June 14" and we get "17 June 28."