The Rasa-yatra, or rasa dancing of Krsna, takes place on the full-moon night of the same month (October-November). Utthana-dvadasi takes place the day after Ekadasi in the waxing fortnight of the moon in the same month

Expressions researched:
"The Rasa-yatra, or rasa dancing of Krsna, takes place on the full-moon night of the same month. Utthana-dvadasi takes place the day after Ekadasi in the waxing fortnight of the moon in the same month"

CC Madhya-lila

The Dīpāvalī festival takes place on the dark-moon night in the month of Kārttika (October-November). The Rāsa-yātrā, or rāsa dancing of Kṛṣṇa, takes place on the full-moon night of the same month. Utthāna-dvādaśī takes place the day after Ekādaśī in the waxing fortnight of the moon in the same month. All the devotees of Śrī Caitanya Mahāprabhu participated in all these festivals.

CC Madhya 15.36, Translation and Purport:

Śrī Caitanya Mahāprabhu and His devotees participated in all the festivals, including Rāsa-yātrā, Dīpāvalī and Utthāna-dvādaśī.

The Dīpāvalī festival takes place on the dark-moon night in the month of Kārttika (October-November). The Rāsa-yātrā, or rāsa dancing of Kṛṣṇa, takes place on the full-moon night of the same month. Utthāna-dvādaśī takes place the day after Ekādaśī in the waxing fortnight of the moon in the same month. All the devotees of Śrī Caitanya Mahāprabhu participated in all these festivals.