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 c17.5

c17.5

84. "The duration of an eclipse of the moon is proportional to its magnitude; but it does not depend on this factor alone. We may say, in general, that a total eclipse of the moon will last at least 3½ hours, and at most 4 hours and a few minutes. A partial eclipse above 6 digits may last as much as 3½ hours or as little as 2½ hours; it seldom goes beyond those limits. An eclipse of between three and six digits lasts between two and three hours. The duration corresponding to 2 digits is 1½ hours; to 1 digit, 1 hour; to half a digit, ¾ of an hour. The duration of total obscurity in a total eclipse is from 1½ to 2 hours........."