Skanda Purana 1.4.3.126

1.4.3.126

tṛtīyā caitramāsasya tathā bhādrapadasya ca..
phālgunasya tvamāvāsyā pauṣasyaikādaśī tathā.. 5.126 ..

the third of the month of Caitra, and likewise of Bhādrapada; / the new-moon day of Phālguna, and the eleventh of Pauṣa;