(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.
EPACT
Meaning of EPACT in English
Webster's English dictionary. Английский словарь Webster. 2012
(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.
Webster's English dictionary. Английский словарь Webster. 2012