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 c17.4

c17.4

"The magnitude of an eclipse is indicated in digits. A digit is the twelfth part of the diameter of a heavenly body: accordingly, an eclipse of four digits is one where the third part of the diameter of a heavenly body is in shadow; if one half of the diameter is in shadow, the eclipse is said to be of six digits; and if the whole of the diameter is in shadow, the eclipse is said to be of twelve digits. Further, in a total eclipse, if the part which is least in shadow is removed from the edge of the shadow by as much as two digits, these two digits are added to the twelve, and the eclipse is said to be one of fourteen digits . . . . . "