sentences:  The day was called "the Day of God" by the Báb, and was associated with He whom God shall make manifest, a messianic figure in the Báb's writings.Baháʼu'lláh, the founder of the Baháʼí Faith who is recognized as the messianic figure expected by the Báb, adopted the new calendar and the use of Naw-Rúz as a holy day.The day follows the Baháʼí month of fasting, and he explained that Naw-Rúz was associated with the "Most Great Name" of God, and was instituted as a festival for those who observed the fast.