Qaim-ul-Lail and Saim-ul-Nahar are the titles of _____?

Qaim-ul-Lail and Saim-ul-Nahar are the titles of _____?

قائم اللیل اور صائم النہر _____ کے القابات ہیں؟
Explanation

Ali ibn Abi Talib was the fourth caliph from 656 until his assassination in 661.
Ali ibn Abi Talib Born:
March 17, 599 AD, Kaaba, Mecca, Saudi Arabia
Ali ibn Abi Talib Place of burial:
Imam Ali Holy Shrine, Najaf, Iraq