Hayanaratna · by Balabhadra
Chapter 8 · Month Chart and Monthly Results
मासप्रवेशादिविचाराध्यायः
अथ मध्यमार्कानयनम् ॥द्युगणस्त्रिंशता ३० भक्तो मासाः शेषं दिनानि च ॥तत्रत्यग्रहसंयोगः क्षेपयुग्मध्यमो रविः ॥२॥
Now, finding the mean Sun. Divide the day count by thirty (30). The quotient is months, and the remainder is days. The sum of the planet's motion for those, joined with the starting value, is the mean Sun.
Simple meaning: Finding the mean Sun: divide the day count by 30 for months and days, take the Sun's motion for them, and add the starting value.
सूर्ये रुद्रा११भ२७कुबाण५१नवाग्नी३९क्षेपको मतः॥
Starting value of the mean Sun: 11 signs, 27 degrees, 51 minutes, 39 seconds.
रेखास्वदेशांतरयोजनानि निजांघ्रि९हीनानि विलिप्तिकास्स्युः ॥
Correction for east-west distance: yojanas from the line to your place, less a quarter, become seconds. Subtract for east, add for west.
शाकांकः | १४८९ | १५०९ | १५२९ | १५४९ | १५६९ | १५८९ | १६०९ | १६२९ | १६४९ | १६६९ | १६८९ | १७०९ | १७२९ | १७४९ | १७६९ | १७८९ | १८०९ | १८२९ | १८४९ | १८६९
Year lord table: weekday, ghatikas, palas and vipalas for Shaka years in steps of 20 and for the left-over years 1 to 20.