द्वौ तुटौ लवः ॥ कZ_०२.२०.३० ॥
dvau tuṭau lavaḥ
Two tuṭa units constitute one lava (a small unit of time).
To standardize timing for official procedures—audiences, inspections, watch-duty, and regulated operations—so orders and penalties can be applied consistently.
1 lava = 2 tuṭa.