Kitab-i-Aqdas/Elder110

The festivals are limited to two great feasts. The first [note 1] is the days in which the Merciful was revealed to those (in the realm) of the Possible by His most beautiful Names and His highest Attributes. The other [note 2] (feast) is the day on which We sent Him who should tell the people the Good News of this Name by which the dead are raised and those who are in the heavens and earths are assembled. [note 3] The other two (feasts) are observed for two days. [note 4]

Thus was the matter decided by a Wise Commander.