epact
the difference in days between a solar year and a lunar year.
the number of days since the new moon at the beginning of the calendar year, January 1.
Origin of epact
1Words Nearby epact
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use epact in a sentence
During those few and sombre days which represented the epact of the dying year, Martin Grimbal returned to Chagford.
Children of the Mist | Eden PhillpottsIt is, however, only used in those years in which the epact 19 concurs with the golden number 19.
The epact 19′ (also distinguished by an accent or different character) is placed in the same line with 20 at the 31st of December.
In the calendar this epact first occurs before the 2nd of December at the 26th of November.
On account of the solar equation S, the epact J must be diminished by unity every centesimal year, excepting always the fourth.
British Dictionary definitions for epact
/ (ˈiːpækt) /
the difference in time, about 11 days, between the solar year and the lunar year
the number of days between the beginning of the calendar year and the new moon immediately preceding this
the difference in time between the calendar month and the synodic month
Origin of epact
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Browse