त्रिंशत्काष्ठाः कलाः ॥ कZ_०२.२०.३३ ॥
triṃśatkāṣṭhāḥ kalāḥ
तीस काष्ठा मिळून एक कला (काळाचे मोठे एकक) होते.
They prevent disputes and manipulation in duty rosters, service durations, time-based fees, and procedural deadlines.
1 kalā = 30 kāṣṭhā.