Determination of the day of the week for the following month. The item for January is "0"; for February or March, "3"; for December, "12". Day-item: The total, thus reached, must be corrected, by deducting "1" (first adding 7, if the total be "0"), if the date be January or February in a leap year, remembering that every year, divisible by 4, is a Leap Year, excepting only the century-years, in `New Style', when the number of centuries is not so divisible (e.g. 1800). The final result gives the day of the week, "0" meaning Sunday, "1" Monday, and so on. Examples: 17, divided by 4, leaves
Day-year principle Therefore, Baha'is understand the 1260-day prophecies in both Daniel and in the Book of Revelation as referring to the year 1260 of the Islamic calendar which corresponds to the year 1844 AD, the year the Báb pronounced himself to be a Messenger of God and the year that the Baha'i Faith began. Baha'is have also applied the Day-Year principle to Rev. 9:15 which states, "And the four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men." The slaying of "the third part of