पश्चिमा व्याख्याताः ॥ कZ_०१.१९.०८ ॥
taiḥ paścimā vyākhyātāḥ
इन्हीं (संकेतकों) से उत्तरार्ध के भाग भी समझाए गए हैं।
It closes the calibration method by implying symmetry: the same measurement logic applies to the latter half of the day.