Mahabharata 12.299.4

संवत्सरमुषित्वाण्डे निष्क्रम्य च महामुनिःसंदधेऽर्धं महीं कृत्स्नां दिवमर्धं प्रजापतिः

saṃvatsaramuṣitvāṇḍe niṣkramya ca mahāmuniḥsaṃdadhe'rdhaṃ mahīṃ kṛtsnāṃ divamardhaṃ prajāpatiḥ

Our plain-language meaning of this verse is waiting for scholar review.