द्वौ लवौ निमेषः ॥ कZ_०२.२०.३१ ॥
dvau lavau nimeṣaḥ
Two lava units constitute one nimeṣa (blink-moment).
It provides a shared baseline for measuring larger official time blocks (e.g., muhūrta) and for specifying durations in procedures and duties.
1 nimeṣa = 2 lava.