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 c15.19

In other words, the 165th degree of the ecliptic was laghna about 21 ghatikas 40 palas after sunrise on the day in question.