Srimad Bhagavatam — Ashtama Skandha, Shloka 6
The Appearance of Vāmanadeva and His Arrival at Bali’s Sacrifice
द्वादश्यां सवितातिष्ठन्मध्यन्दिनगतो नृप । विजयानाम सा प्रोक्ता यस्यां जन्म विदुर्हरे: ॥ ६ ॥
dvādaśyāṁ savitātiṣṭhan madhyandina-gato nṛpa vijayā-nāma sā proktā yasyāṁ janma vidur hareḥ
王よ、主が顕現されたドヴァーダシーの日、太陽は正午の子午線上にあったと学者は知っている。そのドヴァーダシーは「ヴィジャヤー（勝利）」と呼ばれる。
FAQs
This verse praises Dvādaśī—especially at midday—as a supremely victorious time, noting that Lord Hari is said to have appeared on this tithi.
Śukadeva highlights the exact auspicious timing (madhyāhna on Dvādaśī) to emphasize the sacredness of the Lord’s appearance and the spiritual potency of that moment within the Vāmana narrative.
A devotee can honor sacred times like Dvādaśī with remembrance of Hari—through extra japa, hearing Bhāgavatam, and mindful fasting/observance—treating devotion as the real “victory.”