Complex sentence: When the days are longer than the nights, will each of the four "prahara" s of the day expand to more than three hours in length, and each of the four "prahara" s of the night contract ?
Split into simpler sentences: When the days are longer than the nights, will the day have more than four "praharas", and the night fewer? Or will each of the four "prahara" s of the day expand to more than three hours in length, and each of the four "prahara" s of the night contract?