There are six different types of Tithi in Hindu astrology. Bhadra Tithi is one among them. Dwitiya, Saptami and Dwadasi are Bhadra tithis. They are considered generally good tithis.
The tithis are good for all auspicious events.
Activities done during the Bhadra Tithi period will bring peace and prosperity.
Food donation and helping people during the period will help in redemption.