Sources -- The Hebrew conception of time -- Different meanings of the Hebrew word with some foreign parallels -- The classification of meanings of the Hebrew word -- The word in some Semitic inscriptions -- Parallels in the cuneiform inscriptions -- Statistics of the phrase -- Other peculiar phrases composed with the word -- Theories and criticism -- R.H. Charles -- J.M.P. Smith -- Hermann Gunkel and Hugo Gressmann -- Sigmund Mowinckel and Julian Morgenstern -- The "myth-and-ritual" school -- Constructive argument -- Sources and content of the conception of the Day of Yahweh -- The original form of the Day of Yahweh -- The age and development of the eschatological doctrine of the Day of Yahweh -- The historical and social causes of the beginning of eschatology -- The ethnological origin of the conception of the Day of Yahweh -- Summary and conclusions -- The classification of the terms used in the descriptions of the Day of Yahweh -- The diagram of the development of the doctrine of the Day of Yahweh.