The inquiry addresses specific instances of the Christian celebration of Easter falling on the first day of April. Easter’s date is not fixed; it is a movable feast determined by the lunisolar calendar, specifically the Gregorian calendar used in the Western Christian tradition. This means the occurrence of Easter varies annually. The calculation involves the vernal equinox and the full moon that follows it. Easter Sunday is the first Sunday after that Paschal full moon.
Understanding when the religious holiday has occurred on that date is of interest to historians, religious scholars, and those involved in calendar-related research. Identifying these instances provides data points for analyzing long-term trends and patterns in the liturgical calendar. It also allows for the examination of how these dates correlate with other historical events, potentially revealing connections or influencing factors. Furthermore, awareness of past occurrences aids in planning and scheduling future events or observances that may be sensitive to the timing of Easter.
The following sections will provide a comprehensive listing of years in which this particular alignment of Easter and the calendar date occurred, along with contextual information that might be pertinent to each specific year. This will offer a detailed historical perspective on the relationship between the ecclesiastical calendar and the standard Gregorian calendar.
