The Epact is used in the calculations for finding on what day Easter will fall.
The Epact is the moon's age at the beginning of any given year.
There were thirty-six or 4x9 of these in the Egyptian year, at the end of which an epact of five days was added, each day being consecrated to one of the five chief gods.
Egyptian, then consisted of three hundred and sixty days and of an epact of five days.
Subtract the epactfrom 57, divide by 7, and keep the remainder, or 7, if there be no remainder.
Subtract the epact from 27, divide by 7, and keep the remainder, or 7, if there be no remainder.
The way of using the table is as follows: Take the epact of the required year, and find it in the first or last column of the first table, in line with it are seen the calendar days of new and full moon.
For, says he, because of the double epact that occurs on the 4th and 5th of April that lunation has only 29 days.
It should be borne in mind that the epacts are obtained by successively adding eleven to the epact of the former year, and rejecting thirty as often as the sum exceeds or equals that number.
In like manner the epacts of all the following years of the cycle are obtained by successively adding eleven to the epact of the former year, and rejecting thirty as often as the sum exceeds or equals that number.
April, and the epact 28 is found opposite the second day.
Having determined the epact of the year, it only remains to find Easter Sunday from the conditions already laid down.
In like manner the epacts of all the following years of the cycle are obtained by successively adding eleven to the epact of the former year, and rejecting thirty as often as the sum exceeds that number.
It is, however, only used in those years in which the epact 19 concurs with the golden number 19.
When the epact of the year is known, the days on which the new moons occur throughout the whole year are shown by Table IV.
This change takes place with epact 25 only, so that the computation of the lunar years may more closely respond to the solar year.
The EPACT is the number of days which must be added to a lunar year to complete a solar year.
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, not until after the 29th of February.
If there be no remainder, the epact may be called either 0 or 7.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "epact" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: balance; credit; deficit; difference; discrepancy; net; remainder; surplus
