Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 44
Sanskrit:
एवं निशा सा ब्रुवतोर्व्यतीतानन्दस्य कृष्णानुचरस्य राजन् ।गोप्य: समुत्थाय निरूप्य दीपान्वास्तून् समभ्यर्च्य दधीन्यमन्थन् ॥ ४४ ॥
ITRANS:
evaṁ niśā sā bruvator vyatītānandasya kṛṣṇānucarasya rājangopyaḥ samutthāya nirūpya dīpānvāstūn samabhyarcya daudhīny amanthun
Translation:
While Kṛṣṇa’s messenger continued speaking with Nanda, the night ended, O King. The women of the cowherd village rose from bed and, lighting lamps, worshiped their household deities. Then they began churning the yogurt into butter.