Days of week on Hebrew calendar the "four gates". Since three arrangements cannot occur within the fixed calendar, most holidays can each occur on one of four possible days. All the holy days and festivals fall in the months of Nisan through Tishrei, months one to seven. These months always have the same number of days, alternating 30 and 29. The next two months are Cheshvan and Kislev, months eight and nine. Both or either of these months can have either 29 or 30 days, allowing for adjustments to be made and the schedule in the coming year to be manipulated. (On a regular year, Cheshvan
Prophetic Year place, where she is nourished for a time, and times, and half a time, from the face of the serpent. " Revelation 12:14 In ancient times, twelve thirty-day months were used making a total of 360 days for the year. Abraham, used the 360-day year, which was known in Ur. The Genesis account of the flood in the days of Noah illustrated this 360-day year by recording the 150-day interval till the waters abated from the earth. In other words, it indicates a 5-month period as being exactly 150 days in length, or five 30-day months. We see it here