from The Century Dictionary.

  • noun A certain day of the year, defined by the position of the sun, the moon, or a star, for instance, by the setting of the sun behind a distant peak: used by primitive tribes in roughly adjusting the lunar and solar calendars, or for determining the time of ceremonials.
  • noun An anniversary day; a day on which prayers were said for the dead.


Sorry, no etymologies found.


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  • In the description under consideration it evidently can not signify the ordinary 24-hour day nor yet the year-day; for it covers the Protestant period following the 1,260-year reign of Romanism and preceding the Last

    The Last Reformation

  • In the first place, the time-prophecies of the Bible are by no means confined to the year-day manner of interpretation.

    The Revelation Explained

  • Again, it was the beast that came up at the expiration of the twelve hundred and sixty years, or Protestantism, that slaughtered the witnesses, and we could not expect their resurrection during the reign of Protestantism, which every one will admit was longer than three and one-half years, according to the year-day application.

    The Revelation Explained

  • Applying the year-day standard to the period of twelve hundred and sixty days, we have twelve hundred and sixty years.

    The Last Reformation

  • There is no doubt that the year-day method of computing time is used in the prophecy of Daniel 9, the sixty-nine _weeks_ reaching from the time of the decree of Artaxerxes in 457 B.C. until A.D. 26, the year when Christ was baptized and entered on his personal ministry.

    The Last Reformation

  • If the year-day theory is to be consistently held, then we have a period of at least 360,000 years during which Satan is bound.

    Commentary on Revelation

  • This, according to "the year-day theory," becomes 150 years, whereas the Saracenic invasion lasted over 400 years, and has continued to this day.

    Commentary on Revelation

  • The "year-day" theory surely breaks down here, for corpses could hardly lie exposed for three years and a half!

    Commentary on Revelation

  • The year-day system, as a principle of prophetic interpretation, is a human invention; and as unnecessary as it is mischievous.

    Commentary on Revelation

  • The heavy line represents the full 2300 year-day period, the longest prophetic period in the Bible.

    Our Day In the Light of Prophecy


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  • It may be all rumor and hearsay

    But true in a chillingly weird way:

    The Kremlin’s thick walls

    Hide banquets and balls

    On Donald’s inaugural year-day.

    January 1, 2019