Definition of Epact

1. n. The moon's age at the beginning of the calendar year, or the number of days by which the last new moon has preceded the beginning of the year.



Definition of Epact

1. Noun. the time (number of days) by which a solar year exceeds twelve lunar months; it is used in the calculation of the date of Easter ¹

¹ Source: wiktionary.com

Definition of Epact

1. the difference between the lengths of the solar and lunar years [n -S]

Epact Pictures

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Lexicographical Neighbors of Epact

eosphorite
eotaxin
eotaxins
eothen
eozoa
eozoic
eozoon
eozoonal
eozoons
ep toxicity
epacrid
epacrids
epacris
epacris family
epacrises
epact (current term)
epactal
epactal bones
epactal ossicles
epacts
epagoge
epagoges
epagogic
epagomenal
epalate
epalrestat
epamniotic
epamniotic cavity
epanadiplosis
epanalepsis

Literary usage of Epact

Below you will find example usage of this term as found in modern and/or classical literature:

1. A New and Complete System of Arithmetick: Composed for the Use of the by Nicolas Pike, Chester Dewey (1832)
"1791 1 1 9)1792(94 171 82 76 \l the Julian epact. G=Golden Number, and 6x11=60, therefore 30)66(2 PROBLEM VII. To find the Gregorian epact. 60 epact 6 RULE. ..."

2. Notes and Queries by Martim de Albuquerque (1852)
"But this irregularity in the epact of leap year does not come into operation until the additional day has actually been added to the year ; that is, ..."

3. The Encyclopaedia Britannica: “a” Dictionary of Arts, Sciences, Literature edited by Hugh Chisholm (1910)
"In like manner, if the new moon fell on the 4th of December, the epact of the ... When the epact of the year is known, the days on which the new moons occur ..."

4. A Dictionary of Science, Literature, & Art: Comprising the Definitions and by William Thomas Brande, George William Cox (1867)
"The addition of 11 to the last epact gives 33 for that of the succeeding or fourth year ; but as the lunar month never exceeds 30 days, the epact cannot ..."

5. Elements of Astronomy by John Hubbard Wilkins (1829)
"Of epact. 223. A Julian year consists of 365 days, 6 hours, and a lunar year, ... Since the epact of one year is 11 days, the epact of two years is 22 days, ..."

6. Creation Centred in Christ by Henry Grattan Guinness (1896)
"934.2OO „ Difference or epact . 13,6o3-612 37 Tropical years are 13513-96 days. 37 Tropical years and 3 Prophetic months = 13513+ 90 days = 13603 days. ..."

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