Definition, Meaning & Synonyms
epact
noun
/ˈiː.pækt/
Definition
The epact is the difference in days between the solar year and the lunar year, used in calendars to ensure that lunar months align with the solar year.
Examples
- The epact helps in determining the date of Easter each year.
- By calculating the epact, astronomers can synchronize lunar activities with the solar calendar.
- Understanding the epact is crucial for those involved in calendar-making and astronomy.
Meaning
In simpler terms, the epact tells us how many days older the lunar cycle is compared to the solar cycle, allowing calendars to track the phases of the moon and the years more accurately.
Synonyms
- None directly, but related terms include lunar cycle and solar calendar.
