noun 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 English vocab. Английский словарь Webster. 2012
noun 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 English vocab. Английский словарь Webster. 2012