“These words express the certainty of the coming of the day of judgment, and hos kle′ptes [as a thief] its unexpected suddenness; . . . tes tou Theou hemeras [of the day of the God], ver. 12, shows that kyriou [Lord] is here [verse 10] also equivalent to Theou [of God] (not to Khristou [of Christ]; . . .).”—Lines 3-6, paragraph 1, page 428, of Critical and Exegetical Handbook to the General Epistles of James, Peter, John, and Jude, by J. E. Huther (1887).
Man’s Salvation Out of World Distress at Hand! 1975. p. 303
Critical and Exegetical Handbook to the General Epistles of James, Peter, John, and Jude