पञ्चदशमुहूर्तो दिवसो रात्रिश्च चैत्रे चाश्वयुजे च मासि भवतः ॥ कZ_०२.२०.३७ ॥
pañcadaśa-muhūrto divaso rātriś ca caitre cāśvayuje ca māsi bhavataḥ
Pada bulan Caitra dan Āśvayuja, siang dan malam masing-masing lima belas muhūrta (yakni sama panjang).
They function as equal-day-and-night reference points for adjusting duty schedules and operational timings across the seasonal cycle.
30 muhūrtas total (15 day + 15 night).