त्रिंशत्काष्ठाः कलाः ॥ कZ_०२.२०.३३ ॥
triṃśatkāṣṭhāḥ kalāḥ
三十个“kāṣṭhā”合为一“kalā”(更大的时间单位)。
They prevent disputes and manipulation in duty rosters, service durations, time-based fees, and procedural deadlines.
1 kalā = 30 kāṣṭhā.