Prophetic Year have been taken by many as talking about equal periods of time. Prophetic Months Other interpretations, (reference 4) have taken instead, prophetic months as equal to an average of 30.44 years based on 365.2422 divided by 12. Prophetic Year In Biblical eschatology a Prophetic Year or Prophetical Year is sometimes regarded as being different from an ordinary year, namely The names Apocalyptic Year and Apocalyptical Year have also been used in some literature, in obvious reference to Revelation, also known as "The Apocalypse of St. John". The fact that the prophets understood a year as 360 days is well attested,
Days of week on Hebrew calendar has 29 days and Kislev has 30 days). The months of Tevet and Shevat, months ten and eleven, have 29 and 30 days respectively. Finally, in a regular year the month of Adar has 29 days, while in a leap year Adar I of 30 days is added before the regular Adar, which becomes Adar II of 29 days. The result is that the period from 1 Tevet to 29 Cheshvan is fixed, except that in a leap year Adar I of 30 days is added; and all adjustments are made using 29/30 Cheshvan and/or 29/30 Kislev. The period from