Kṛṣṇa Dāmodara Dwādaśī is Śrāvaṇa Kṛṣṇa Dvādaśī. Some North Indian lists call the same tithi Bachha Baras (calf-related custom); English and Gujarati labels keep that as a badge. On the Panchang the civil date follows common Ekādaśī pāraṇā day — break the fast after sunrise, avoiding forbidden windows. Because tithi and nakṣatra boundaries are reckoned from local sunrise, the same observance can fall a day earlier or later in another city. Kṛṣṇa Dāmodara Dwādaśī — Śrāvaṇa Kṛṣṇa; also Bachha Baras in some North lists. Ekādaśī pāraṇā or Dvādaśī worship — sunrise timing and forbidden windows matter. Dates below for 2027 are computed from sunrise at your selected place. The same vrata can fall on an adjacent civil day in another city.