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 c32.14

Thus, supposing we want the week-day of 18 February 3102 B.C., the first day of Kaliyuga we proceed as follows :—