Sutra 37
Devanagari script
पञ्चदशमुहूर्तो दिवसो रात्रिश्च चैत्रे चाश्वयुजे च मासि भवतः ॥ कZ_०२.२०.३७ ॥
Transliteration
pañcadaśa-muhūrto divaso rātriś ca caitre cāśvayuje ca māsi bhavataḥ
Translation
在恰伊特罗（Caitra）月与阿湿瓦尤迦（Āśvayuja）月，白昼与黑夜各为十五牟呼尔多（即长度相等）。
Word by Word
पञ्चदशfifteen
पञ्चदश:
TypeNoun
Rootपञ्चन्/दशन् (संख्या)
Formसंख्यावाचक-समास; अव्ययीभाववत् संख्यापदप्रयोगः; (विशेषणरूपेण)
मुहूर्तःa muhūrta (a time unit)
मुहूर्तः:
TypeNoun
Rootमुहूर्त
Formपुंलिङ्ग; प्रथमा-एकवचन
दिवसःday (daytime)
दिवसः:
TypeNoun
Rootदिवस
Formपुंलिङ्ग; प्रथमा-एकवचन
रात्रिःnight
रात्रिः:
TypeNoun
Rootरात्रि
Formस्त्रीलिङ्ग; प्रथमा-एकवचन
चand
च:
TypeParticle
Rootच
Formसमुच्चयार्थक-अव्यय
चैत्रेin (the month of) Caitra
चैत्रे:
TypeNoun
Rootचैत्र
Formपुंलिङ्ग; सप्तमी-एकवचन (मास-नाम; ‘चैत्रे (मासे)’ = in the month of Caitra)
चand
च:
TypeParticle
Rootच
Formसमुच्चयार्थक-अव्यय
आश्वयुजेin (the month of) Āśvayuja
आश्वयुजे:
TypeNoun
Rootआश्वयुज
Formपुंलिङ्ग; सप्तमी-एकवचन (मास-नाम; ‘आश्वयुजे (मासे)’ = in the month of Āśvayuja)
चand
च:
TypeParticle
Rootच
Formसमुच्चयार्थक-अव्यय
मासिin the month
मासि:
TypeNoun
Rootमास
Formपुंलिङ्ग; सप्तमी-एकवचन
भवतःare / become (dual)
भवतः:
TypeVerb
Rootभू
Formलट्-लकार; प्रथमपुरुष; द्विवचन; परस्मैपद (भवतः = ‘(they) are/become’, referring to दिवसः and रात्रिः)
Entities Mentioned
C
CaitraĀ
ĀśvayujaM
muhūrtaD
dayN
nightFAQs
They function as equal-day-and-night reference points for adjusting duty schedules and operational timings across the seasonal cycle.
30 muhūrtas total (15 day + 15 night).