In apocalyptic literature<ref>{{cite web|author=Robert E. Lerner |title=Apocalyptic Literature|url=http://www.britannica.com/EBchecked/topic/29733/apocalyptic-literature |publisher=Encyclopedia Britannica}}</ref> the ''year-day principle'' or ''day-year principle'' is an interpretive means to calculate past or future events. In the mid-1800s the American religious landscape was profoundly affected by these interpretive methods. The “day” is sometimes interpreted as “year” – especially prominent among eschatologists who embrace Historicism<ref>{{cite web|title=Historicism|url=http://www.historicism.net/| publisher=Historicism Research Foundation, A Service of The Puritans' Network}}</ref>—e.g., [[Seventh-day Adventist Church]].”<ref>{{cite web|author=Jerry Moon|title=The Year-Day Principle|url=http://www.sdanet.org/atissue/end/yearday.htm|publisher=SDAnet}}</ref>). | In apocalyptic literature<ref>{{cite web|author=Robert E. Lerner |title=Apocalyptic Literature|url=http://www.britannica.com/EBchecked/topic/29733/apocalyptic-literature |publisher=Encyclopedia Britannica}}</ref> the ''year-day principle'' or ''day-year principle'' is an interpretive means to calculate past or future events. In the mid-1800s the American religious landscape was profoundly affected by these interpretive methods. The “day” is sometimes interpreted as “year” – especially prominent among eschatologists who embrace Historicism<ref>{{cite web|title=Historicism|url=http://www.historicism.net/| publisher=Historicism Research Foundation, A Service of The Puritans' Network}}</ref>—e.g., [[Seventh-day Adventist Church]].”<ref>{{cite web|author=Jerry Moon|title=The Year-Day Principle|url=http://www.sdanet.org/atissue/end/yearday.htm|publisher=SDAnet}}</ref>). |