sentences:  The nineteen months of the Baháʼí calendar are named after the attributes of God.Ayyám-i-Há, which means the ""Days of Há"" – Há is the Arabic letter corresponding to the English H – commemorates the transcendence of God over his attributes, since its name ""Há"" has been used as a symbol of the "essence of God" in the Baháʼí holy writings.Under the Arabic abjad system, the letter Há has the numerical value of five, which is equal to the maximum number of days in Ayyam-i-Há.