and Holy Days.
According to the Bahá’í calendar, a day is the period from sunset to sunset; consequently, the day on which a Nineteen Day Feast, Holy Day, or other significant dates are observed begins at sunset on the eve of each corresponding Gregorian calendar date shown below. For example, if Naw-Rúz falls on 21 March, it is marked from sunset on 20 March to sunset on 21 March.
Bahá’u’lláh designated a nineteen-day period each year during which adult Bahá’ís fast from sunrise to sunset each day. This period coincides with the Bahá’í month of Alá—meaning Loftiness—from 1 to 19 March, which immediately precedes the Bahá’í new year. It is a time of prayer, meditation, and spiritual rejuvenation
