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Baha'i
Another year has passed and the Baha'i Fast begins on the morrow ... at sunrise and ends when the sun sets. Baha'is Fast from liquids and solid food from sunrise to sunset for nineteen days, a Baha'i month.
You might check out this site:
Fasting | What Bahá’ís Believe
This is, O my God, the first of the days on which Thou hast bidden Thy loved ones to observe the Fast. I ask of Thee by Thy Self and by him who hath fasted out of love for Thee and for Thy good-pleasure—and not out of self and desire, nor out of fear of Thy wrath—and by Thy most excellent names and august attributes, to purify Thy servants from the love of aught except Thee and to draw them nigh unto the Dawning-Place of the lights of Thy countenance and the Seat of the throne of Thy oneness. Illumine their hearts, O my God, with the light of Thy knowledge and brighten their faces with the rays of the Daystar that shineth from the horizon of Thy Will.”
Bahá’u’lláh, Bahá’í Prayers, p. 259
You might check out this site:
Fasting | What Bahá’ís Believe
This is, O my God, the first of the days on which Thou hast bidden Thy loved ones to observe the Fast. I ask of Thee by Thy Self and by him who hath fasted out of love for Thee and for Thy good-pleasure—and not out of self and desire, nor out of fear of Thy wrath—and by Thy most excellent names and august attributes, to purify Thy servants from the love of aught except Thee and to draw them nigh unto the Dawning-Place of the lights of Thy countenance and the Seat of the throne of Thy oneness. Illumine their hearts, O my God, with the light of Thy knowledge and brighten their faces with the rays of the Daystar that shineth from the horizon of Thy Will.”
Bahá’u’lláh, Bahá’í Prayers, p. 259