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4 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Per·pet·u·al a.  Neverceasing; continuing forever or for an unlimited time; unfailing; everlasting; continuous.
    Unto the kingdom of perpetual night.   --Shak.
    Perpetual feast of nectared sweets.   --Milton.
 Circle of perpetual apparition, or Circle of perpetual occultation. See under Circle.
 Perpetual calendar, a calendar so devised that it may be adjusted for any month or year.
 Perpetual curacy Ch. of Eng., a curacy in which all the tithes are appropriated, and no vicarage is endowed. --Blackstone.
 Perpetual motion. See under Motion.
 Perpetual screw. See Endless screw, under Screw.
 Syn: -- Continual; unceasing; endless; everlasting; incessant; constant; eternal. See Constant.
 

From: Webster's Revised Unabridged Dictionary (1913)

 Per·pet·u·al cal·en·dar. A calendar that can be used perpetually or over a wide range of years. That of Capt. Herschel covers, as given below, dates from 1750 to 1961 only, but is capable of indefinite extension.
 

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PERPETUAL CALENDAR
Day of the monthJan. Oct.Apr. July =\Jan.Sept. Dec.JuneFeb. Mar. Nov.Aug. Feb.MayDay of the Week18152229abcdefgMon.29162330gabcdefTues.310172431fgabcdeWed.4111825efgabcdThur.5121926defgabcFri.6132027cdefgabSat.7142128bcdefgaSun.

 ===========================================================================
 To find the day of the week corresponding to any date, find the small letter directly under the month and opposite the day of the month; the same small letter also appears in the vertical column that contains the number of the year, and if the line in which it stands is followed out to the right, the day of the week is found.  Thus, the small letter under March and opposite 18 is b; b appears again directly over 1904, and at its right is the word Friday.  March 18 fell on Friday in 1904, and also in 1898, 1892, etc.  The calendar has other uses, as for finding the months which begin on Sunday in  a particular year, etc.
 
|1753  |1754   |1755   |1750   |1751   |1757   |*1752
 |1759  |1765   |*1760  |1761   |*1756  |1763   |1758
 |*1764 |1771   |1766   |1767   |1762   |*1768  |1769
 |1770  |*1776  |1777   |*1772  |1773   |1774   |1775
 

 

From: Webster's Revised Unabridged Dictionary (1913)

 Cal·en·dar n.
 1. An orderly arrangement of the division of time, adapted to the purposes of civil life, as years, months, weeks, and days; also, a register of the year with its divisions; an almanac.
 2. Eccl. A tabular statement of the dates of feasts, offices, saints' days, etc., esp. of those which are liable to change yearly according to the varying date of Easter.
 3. An orderly list or enumeration of persons, things, or events; a schedule; as, a calendar of state papers; a calendar of bills presented in a legislative assembly; a calendar of causes arranged for trial in court; a calendar of a college or an academy.
 Note: Shepherds of people had need know the calendars of tempests of state.
 Calendar clock, one that shows the days of the week and month.
 Calendar month. See under Month.
 French Republican calendar. See under Vendémiaire.
 Gregorian calendar, Julian calendar, Perpetual calendar. See under Gregorian, Julian, and Perpetual.

From: WordNet (r) 2.0

 perpetual calendar
      n : a chart or mechanical device that indicates the days of the
          week corresponding to any given date over a long period
          of years