SB 3.11.8
लघूनि वै समाम्नाता दश पञ्च च नाडिका ।
ते द्वे मुहूर्त: प्रहर: षड्याम: सप्त नृणाम् ॥ ८ ॥
laghūni vai samāmnātā
daśa pañca ca nāḍikā
te dve muhūrtaḥ praharaḥ
ṣaḍ yāmaḥ sapta vā nṛṇām
SYNONYMS

laghūni—such laghus (each of two minutes); vai—exactly; samāmnātā—is called; daśa pañca—fifteen; ca—also; nāḍikā—a nāḍikā; te—of them; dve—two; muhūrtaḥ—a moment; praharaḥ—three hours; ṣaṭ—six; yāmaḥ—one fourth of a day or night; sapta—seven; —or; nṛṇām—of human calculation.

TRANSLATION

Fifteen laghus make one nāḍikā, which is also called a daṇḍa. Two daṇḍas make one muhūrta, and six or seven daṇḍas make one fourth of a day or night, according to human calculation.